Search criteria
118 vulnerabilities found for Recursor by PowerDNS
CVE-2025-59029 (GCVE-0-2025-59029)
Vulnerability from cvelistv5 – Published: 2025-12-09 09:16 – Updated: 2025-12-09 14:29
VLAI?
Summary
An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with qtype set to ANY.
Severity ?
5.3 (Medium)
CWE
- CWE-617 - Reachable Assertion
Assigner
References
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CVE-2025-59030 (GCVE-0-2025-59030)
Vulnerability from cvelistv5 – Published: 2025-12-09 09:15 – Updated: 2025-12-09 14:30
VLAI?
Summary
An attacker can trigger the removal of cached records by sending a NOTIFY query over TCP.
Severity ?
7.5 (High)
CWE
- CWE-276 - Incorrect Default Permissions
Assigner
References
Impacted products
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CVE-2025-30192 (GCVE-0-2025-30192)
Vulnerability from cvelistv5 – Published: 2025-07-21 12:49 – Updated: 2025-07-21 13:05
VLAI?
Summary
An attacker spoofing answers to ECS enabled requests sent out by the Recursor has a chance of success higher than non-ECS enabled queries.
The updated version include various mitigations against spoofing attempts of ECS enabled queries by chaining ECS enabled requests and enforcing stricter validation of the received answers.
The most strict mitigation done when the new setting outgoing.edns_subnet_harden (old style name edns-subnet-harden) is enabled.
Severity ?
7.5 (High)
CWE
- CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
Impacted products
Credits
Xiang Li of AOSP Lab Nankai University
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CVE-2025-30195 (GCVE-0-2025-30195)
Vulnerability from cvelistv5 – Published: 2025-04-07 13:24 – Updated: 2025-04-07 16:03
VLAI?
Summary
An attacker can publish a zone containing specific Resource Record Sets. Processing and caching results for these sets can lead to an illegal memory accesses and crash of the Recursor, causing a denial of service.
The remedy is: upgrade to the patched 5.2.1 version.
We would like to thank Volodymyr Ilyin for bringing this issue to our attention.
Severity ?
7.5 (High)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Credits
Volodymyr Ilyin
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CVE-2024-25590 (GCVE-0-2024-25590)
Vulnerability from cvelistv5 – Published: 2024-10-03 15:29 – Updated: 2024-10-03 18:03
VLAI?
Summary
An attacker can publish a zone containing specific Resource Record Sets.
Repeatedly processing and caching results for these sets can lead to a
denial of service.
Severity ?
7.5 (High)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
Credits
Toshifumi Sakaguchi
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CVE-2024-25583 (GCVE-0-2024-25583)
Vulnerability from cvelistv5 – Published: 2024-04-25 09:45 – Updated: 2025-02-13 17:40
VLAI?
Summary
A crafted response from an upstream server the recursor has been configured to forward-recurse to can cause a Denial of Service in the Recursor. The default configuration of the Recursor does not use recursive forwarding and is not affected.
Severity ?
7.5 (High)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
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CVE-2023-50387 (GCVE-0-2023-50387)
Vulnerability from cvelistv5 – Published: 2024-02-14 00:00 – Updated: 2025-11-04 18:20
VLAI?
Summary
Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the "KeyTrap" issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG records.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
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CVE-2023-26437 (GCVE-0-2023-26437)
Vulnerability from cvelistv5 – Published: 2023-04-04 14:37 – Updated: 2025-02-13 16:44
VLAI?
Summary
Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3.
Severity ?
CWE
- Denial of service
Assigner
References
Impacted products
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CVE-2023-22617 (GCVE-0-2023-22617)
Vulnerability from cvelistv5 – Published: 2023-01-21 00:00 – Updated: 2025-04-03 14:38
VLAI?
Summary
A remote attacker might be able to cause infinite recursion in PowerDNS Recursor 4.8.0 via a DNS query that retrieves DS records for a misconfigured domain, because QName minimization is used in QM fallback mode. This is fixed in 4.8.1.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
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CVE-2022-37428 (GCVE-0-2022-37428)
Vulnerability from cvelistv5 – Published: 2022-08-23 16:33 – Updated: 2024-08-03 10:29
VLAI?
Summary
PowerDNS Recursor up to and including 4.5.9, 4.6.2 and 4.7.1, when protobuf logging is enabled, has Improper Cleanup upon a Thrown Exception, leading to a denial of service (daemon crash) via a DNS query that leads to an answer with specific properties.
Severity ?
6.5 (Medium)
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2022-27227 (GCVE-0-2022-27227)
Vulnerability from cvelistv5 – Published: 2022-03-25 14:41 – Updated: 2024-08-03 05:25
VLAI?
Summary
In PowerDNS Authoritative Server before 4.4.3, 4.5.x before 4.5.4, and 4.6.x before 4.6.1 and PowerDNS Recursor before 4.4.8, 4.5.x before 4.5.8, and 4.6.x before 4.6.1, insufficient validation of an IXFR end condition causes incomplete zone transfers to be handled as successful transfers.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
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CVE-2025-59029 (GCVE-0-2025-59029)
Vulnerability from nvd – Published: 2025-12-09 09:16 – Updated: 2025-12-09 14:29
VLAI?
Summary
An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with qtype set to ANY.
Severity ?
5.3 (Medium)
CWE
- CWE-617 - Reachable Assertion
Assigner
References
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CVE-2025-59030 (GCVE-0-2025-59030)
Vulnerability from nvd – Published: 2025-12-09 09:15 – Updated: 2025-12-09 14:30
VLAI?
Summary
An attacker can trigger the removal of cached records by sending a NOTIFY query over TCP.
Severity ?
7.5 (High)
CWE
- CWE-276 - Incorrect Default Permissions
Assigner
References
Impacted products
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CVE-2025-30192 (GCVE-0-2025-30192)
Vulnerability from nvd – Published: 2025-07-21 12:49 – Updated: 2025-07-21 13:05
VLAI?
Summary
An attacker spoofing answers to ECS enabled requests sent out by the Recursor has a chance of success higher than non-ECS enabled queries.
The updated version include various mitigations against spoofing attempts of ECS enabled queries by chaining ECS enabled requests and enforcing stricter validation of the received answers.
The most strict mitigation done when the new setting outgoing.edns_subnet_harden (old style name edns-subnet-harden) is enabled.
Severity ?
7.5 (High)
CWE
- CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
Impacted products
Credits
Xiang Li of AOSP Lab Nankai University
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CVE-2025-30195 (GCVE-0-2025-30195)
Vulnerability from nvd – Published: 2025-04-07 13:24 – Updated: 2025-04-07 16:03
VLAI?
Summary
An attacker can publish a zone containing specific Resource Record Sets. Processing and caching results for these sets can lead to an illegal memory accesses and crash of the Recursor, causing a denial of service.
The remedy is: upgrade to the patched 5.2.1 version.
We would like to thank Volodymyr Ilyin for bringing this issue to our attention.
Severity ?
7.5 (High)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Credits
Volodymyr Ilyin
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CVE-2024-25590 (GCVE-0-2024-25590)
Vulnerability from nvd – Published: 2024-10-03 15:29 – Updated: 2024-10-03 18:03
VLAI?
Summary
An attacker can publish a zone containing specific Resource Record Sets.
Repeatedly processing and caching results for these sets can lead to a
denial of service.
Severity ?
7.5 (High)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
Credits
Toshifumi Sakaguchi
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CVE-2024-25583 (GCVE-0-2024-25583)
Vulnerability from nvd – Published: 2024-04-25 09:45 – Updated: 2025-02-13 17:40
VLAI?
Summary
A crafted response from an upstream server the recursor has been configured to forward-recurse to can cause a Denial of Service in the Recursor. The default configuration of the Recursor does not use recursive forwarding and is not affected.
Severity ?
7.5 (High)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
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CVE-2023-50387 (GCVE-0-2023-50387)
Vulnerability from nvd – Published: 2024-02-14 00:00 – Updated: 2025-11-04 18:20
VLAI?
Summary
Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the "KeyTrap" issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG records.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2023-26437 (GCVE-0-2023-26437)
Vulnerability from nvd – Published: 2023-04-04 14:37 – Updated: 2025-02-13 16:44
VLAI?
Summary
Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3.
Severity ?
CWE
- Denial of service
Assigner
References
Impacted products
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CVE-2023-22617 (GCVE-0-2023-22617)
Vulnerability from nvd – Published: 2023-01-21 00:00 – Updated: 2025-04-03 14:38
VLAI?
Summary
A remote attacker might be able to cause infinite recursion in PowerDNS Recursor 4.8.0 via a DNS query that retrieves DS records for a misconfigured domain, because QName minimization is used in QM fallback mode. This is fixed in 4.8.1.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
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CVE-2022-37428 (GCVE-0-2022-37428)
Vulnerability from nvd – Published: 2022-08-23 16:33 – Updated: 2024-08-03 10:29
VLAI?
Summary
PowerDNS Recursor up to and including 4.5.9, 4.6.2 and 4.7.1, when protobuf logging is enabled, has Improper Cleanup upon a Thrown Exception, leading to a denial of service (daemon crash) via a DNS query that leads to an answer with specific properties.
Severity ?
6.5 (Medium)
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
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CVE-2022-27227 (GCVE-0-2022-27227)
Vulnerability from nvd – Published: 2022-03-25 14:41 – Updated: 2024-08-03 05:25
VLAI?
Summary
In PowerDNS Authoritative Server before 4.4.3, 4.5.x before 4.5.4, and 4.6.x before 4.6.1 and PowerDNS Recursor before 4.4.8, 4.5.x before 4.5.8, and 4.6.x before 4.6.1, insufficient validation of an IXFR end condition causes incomplete zone transfers to be handled as successful transfers.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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FKIE_CVE-2023-50387
Vulnerability from fkie_nvd - Published: 2024-02-14 16:15 - Updated: 2025-11-04 19:16
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the "KeyTrap" issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG records.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | http://www.openwall.com/lists/oss-security/2024/02/16/2 | Mailing List | |
| cve@mitre.org | http://www.openwall.com/lists/oss-security/2024/02/16/3 | Mailing List | |
| cve@mitre.org | https://access.redhat.com/security/cve/CVE-2023-50387 | Third Party Advisory | |
| cve@mitre.org | https://bugzilla.suse.com/show_bug.cgi?id=1219823 | Issue Tracking | |
| cve@mitre.org | https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2024-01.html | Third Party Advisory | |
| cve@mitre.org | https://gitlab.nic.cz/knot/knot-resolver/-/releases/v5.7.1 | Patch | |
| cve@mitre.org | https://kb.isc.org/docs/cve-2023-50387 | Third Party Advisory, VDB Entry | |
| cve@mitre.org | https://lists.debian.org/debian-lts-announce/2024/02/msg00006.html | ||
| cve@mitre.org | https://lists.debian.org/debian-lts-announce/2024/05/msg00011.html | ||
| cve@mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6FV5O347JTX7P5OZA6NGO4MKTXRXMKOZ/ | ||
| cve@mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BUIP7T7Z4T3UHLXFWG6XIVDP4GYPD3AI/ | Mailing List | |
| cve@mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/ | ||
| cve@mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IGSLGKUAQTW5JPPZCMF5YPEYALLRUZZ6/ | ||
| cve@mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/ | Mailing List | |
| cve@mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/ | ||
| cve@mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVYA42BLXUCIDLD35YIJPJSHDIADNYMP/ | Mailing List | |
| cve@mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEXGOYGW7DBS3N2QSSQONZ4ENIRQEAPG/ | ||
| cve@mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQESRWMJCF4JEYJEAKLRM6CT55GLJAB7/ | ||
| cve@mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/ | ||
| cve@mitre.org | https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2024q1/017430.html | Mailing List, Third Party Advisory | |
| cve@mitre.org | https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-50387 | Patch, Vendor Advisory | |
| cve@mitre.org | https://news.ycombinator.com/item?id=39367411 | Third Party Advisory | |
| cve@mitre.org | https://news.ycombinator.com/item?id=39372384 | Issue Tracking | |
| cve@mitre.org | https://nlnetlabs.nl/news/2024/Feb/13/unbound-1.19.1-released/ | Vendor Advisory | |
| cve@mitre.org | https://security.netapp.com/advisory/ntap-20240307-0007/ | ||
| cve@mitre.org | https://www.athene-center.de/aktuelles/key-trap | Third Party Advisory | |
| cve@mitre.org | https://www.athene-center.de/fileadmin/content/PDF/Technical_Report_KeyTrap.pdf | Technical Description, Third Party Advisory | |
| cve@mitre.org | https://www.isc.org/blogs/2024-bind-security-release/ | Third Party Advisory | |
| cve@mitre.org | https://www.securityweek.com/keytrap-dns-attack-could-disable-large-parts-of-internet-researchers/ | Press/Media Coverage, Third Party Advisory | |
| cve@mitre.org | https://www.theregister.com/2024/02/13/dnssec_vulnerability_internet/ | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2024/02/16/2 | Mailing List | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2024/02/16/3 | Mailing List | |
| af854a3a-2127-422b-91ae-364da2661108 | https://access.redhat.com/security/cve/CVE-2023-50387 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.suse.com/show_bug.cgi?id=1219823 | Issue Tracking | |
| af854a3a-2127-422b-91ae-364da2661108 | https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2024-01.html | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://gitlab.nic.cz/knot/knot-resolver/-/releases/v5.7.1 | Patch | |
| af854a3a-2127-422b-91ae-364da2661108 | https://kb.isc.org/docs/cve-2023-50387 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.debian.org/debian-lts-announce/2024/02/msg00006.html | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.debian.org/debian-lts-announce/2024/05/msg00011.html | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.debian.org/debian-lts-announce/2024/09/msg00001.html | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.debian.org/debian-lts-announce/2024/11/msg00035.html | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6FV5O347JTX7P5OZA6NGO4MKTXRXMKOZ/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BUIP7T7Z4T3UHLXFWG6XIVDP4GYPD3AI/ | Mailing List | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IGSLGKUAQTW5JPPZCMF5YPEYALLRUZZ6/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/ | Mailing List | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVYA42BLXUCIDLD35YIJPJSHDIADNYMP/ | Mailing List | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEXGOYGW7DBS3N2QSSQONZ4ENIRQEAPG/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQESRWMJCF4JEYJEAKLRM6CT55GLJAB7/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BUIP7T7Z4T3UHLXFWG6XIVDP4GYPD3AI/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2024q1/017430.html | Mailing List, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-50387 | Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://news.ycombinator.com/item?id=39367411 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://news.ycombinator.com/item?id=39372384 | Issue Tracking | |
| af854a3a-2127-422b-91ae-364da2661108 | https://nlnetlabs.nl/news/2024/Feb/13/unbound-1.19.1-released/ | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://security.netapp.com/advisory/ntap-20240307-0007/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://www.athene-center.de/aktuelles/key-trap | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.athene-center.de/fileadmin/content/PDF/Technical_Report_KeyTrap.pdf | Technical Description, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.isc.org/blogs/2024-bind-security-release/ | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.securityweek.com/keytrap-dns-attack-could-disable-large-parts-of-internet-researchers/ | Press/Media Coverage, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.theregister.com/2024/02/13/dnssec_vulnerability_internet/ | Patch, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| redhat | enterprise_linux | 6.0 | |
| redhat | enterprise_linux | 7.0 | |
| redhat | enterprise_linux | 8.0 | |
| redhat | enterprise_linux | 9.0 | |
| microsoft | windows_server_2008 | r2 | |
| microsoft | windows_server_2012 | - | |
| microsoft | windows_server_2012 | r2 | |
| microsoft | windows_server_2016 | - | |
| microsoft | windows_server_2019 | - | |
| microsoft | windows_server_2022 | - | |
| microsoft | windows_server_2022_23h2 | - | |
| fedoraproject | fedora | 39 | |
| thekelleys | dnsmasq | * | |
| nic | knot_resolver | * | |
| powerdns | recursor | * | |
| powerdns | recursor | * | |
| powerdns | recursor | * | |
| isc | bind | * | |
| isc | bind | * | |
| isc | bind | * | |
| nlnetlabs | unbound | * |
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"lang": "en",
"value": "Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the \"KeyTrap\" issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG records."
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}
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"id": "CVE-2023-50387",
"lastModified": "2025-11-04T19:16:14.237",
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},
{
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"tags": [
"Patch"
],
"url": "https://gitlab.nic.cz/knot/knot-resolver/-/releases/v5.7.1"
},
{
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"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "https://kb.isc.org/docs/cve-2023-50387"
},
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},
{
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"Third Party Advisory"
],
"url": "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2024q1/017430.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-50387"
},
{
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"tags": [
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],
"url": "https://news.ycombinator.com/item?id=39367411"
},
{
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"tags": [
"Issue Tracking"
],
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},
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"url": "https://security.netapp.com/advisory/ntap-20240307-0007/"
},
{
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"tags": [
"Third Party Advisory"
],
"url": "https://www.athene-center.de/aktuelles/key-trap"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Technical Description",
"Third Party Advisory"
],
"url": "https://www.athene-center.de/fileadmin/content/PDF/Technical_Report_KeyTrap.pdf"
},
{
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"tags": [
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},
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"tags": [
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"url": "https://www.securityweek.com/keytrap-dns-attack-could-disable-large-parts-of-internet-researchers/"
},
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"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://www.theregister.com/2024/02/13/dnssec_vulnerability_internet/"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
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}
FKIE_CVE-2023-26437
Vulnerability from fkie_nvd - Published: 2023-04-04 15:15 - Updated: 2025-02-13 17:16
Severity ?
3.4 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:L
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3.
References
| URL | Tags | ||
|---|---|---|---|
| security@open-xchange.com | https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2023-02.html | Vendor Advisory | |
| security@open-xchange.com | https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CN7VMRYKZHG2UDUAK326LXD3JY7NO3LR/ | ||
| security@open-xchange.com | https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHPD6SIQOG7245GXFQHPUEI4AZ6Y3KD6/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2023-02.html | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CN7VMRYKZHG2UDUAK326LXD3JY7NO3LR/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHPD6SIQOG7245GXFQHPUEI4AZ6Y3KD6/ |
{
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"value": "Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3."
}
],
"id": "CVE-2023-26437",
"lastModified": "2025-02-13T17:16:12.010",
"metrics": {
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"scope": "CHANGED",
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"source": "security@open-xchange.com",
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"published": "2023-04-04T15:15:08.880",
"references": [
{
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"tags": [
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},
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},
{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHPD6SIQOG7245GXFQHPUEI4AZ6Y3KD6/"
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{
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],
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"vulnStatus": "Modified",
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"value": "CWE-400"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
FKIE_CVE-2023-22617
Vulnerability from fkie_nvd - Published: 2023-01-21 19:15 - Updated: 2025-04-03 15:15
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A remote attacker might be able to cause infinite recursion in PowerDNS Recursor 4.8.0 via a DNS query that retrieves DS records for a misconfigured domain, because QName minimization is used in QM fallback mode. This is fixed in 4.8.1.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | http://www.openwall.com/lists/oss-security/2023/01/20/1 | Mailing List, Release Notes, Third Party Advisory | |
| cve@mitre.org | https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1 | Release Notes, Vendor Advisory | |
| cve@mitre.org | https://docs.powerdns.com/recursor/security-advisories/ | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2023/01/20/1 | Mailing List, Release Notes, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1 | Release Notes, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://docs.powerdns.com/recursor/security-advisories/ | Vendor Advisory |
{
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"criteria": "cpe:2.3:a:powerdns:recursor:4.8.0:*:*:*:*:*:*:*",
"matchCriteriaId": "555D9C8B-4356-4078-8515-81F9C3B6CF74",
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},
{
"lang": "es",
"value": "Un atacante remoto podr\u00eda provocar una recursividad infinita en PowerDNS Recursor 4.8.0 a trav\u00e9s de una consulta DNS que recupera registros DS para un dominio mal configurado, porque la minimizaci\u00f3n de QName se utiliza en el modo de reserva de QM. Esto se solucion\u00f3 en 4.8.1."
}
],
"id": "CVE-2023-22617",
"lastModified": "2025-04-03T15:15:42.840",
"metrics": {
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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"source": "nvd@nist.gov",
"type": "Primary"
},
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"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
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"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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},
"published": "2023-01-21T19:15:11.077",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Release Notes",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2023/01/20/1"
},
{
"source": "cve@mitre.org",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "https://docs.powerdns.com/recursor/security-advisories/"
},
{
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"tags": [
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"Release Notes",
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"url": "http://www.openwall.com/lists/oss-security/2023/01/20/1"
},
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"vulnStatus": "Modified",
"weaknesses": [
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"description": [
{
"lang": "en",
"value": "CWE-674"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-674"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
FKIE_CVE-2022-37428
Vulnerability from fkie_nvd - Published: 2022-08-23 17:15 - Updated: 2024-11-21 07:14
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
PowerDNS Recursor up to and including 4.5.9, 4.6.2 and 4.7.1, when protobuf logging is enabled, has Improper Cleanup upon a Thrown Exception, leading to a denial of service (daemon crash) via a DNS query that leads to an answer with specific properties.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://docs.powerdns.com/recursor/lua-config/protobuf.html | Vendor Advisory | |
| cve@mitre.org | https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-02.html | Vendor Advisory | |
| cve@mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FXSREJKTT6RNE3GXQENQ4R4HS37UNSPX/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://docs.powerdns.com/recursor/lua-config/protobuf.html | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-02.html | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FXSREJKTT6RNE3GXQENQ4R4HS37UNSPX/ |
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FKIE_CVE-2022-27227
Vulnerability from fkie_nvd - Published: 2022-03-25 15:15 - Updated: 2024-11-21 06:55
Severity ?
Summary
In PowerDNS Authoritative Server before 4.4.3, 4.5.x before 4.5.4, and 4.6.x before 4.6.1 and PowerDNS Recursor before 4.4.8, 4.5.x before 4.5.8, and 4.6.x before 4.6.1, insufficient validation of an IXFR end condition causes incomplete zone transfers to be handled as successful transfers.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | http://www.openwall.com/lists/oss-security/2022/03/25/1 | Mailing List, Patch, Third Party Advisory | |
| cve@mitre.org | https://doc.powerdns.com/authoritative/security-advisories/index.html | Vendor Advisory | |
| cve@mitre.org | https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2022-01.html | Vendor Advisory | |
| cve@mitre.org | https://docs.powerdns.com/recursor/security-advisories/index.html | Vendor Advisory | |
| cve@mitre.org | https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-01.html | Vendor Advisory | |
| cve@mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2QKN56VWXUVFOYGUN75N5IRNK66OHTHT/ | ||
| cve@mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HEABZA46XYEUWMGSY2GYYVHISBVWEHIO/ | ||
| cve@mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPHOFNI7FKM5NNOVDOWO4TBXFAFICCUE/ | ||
| cve@mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZJSKICB67SPPEGNXCQLZVSWR6QGCN3KP/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2022/03/25/1 | Mailing List, Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://doc.powerdns.com/authoritative/security-advisories/index.html | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2022-01.html | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://docs.powerdns.com/recursor/security-advisories/index.html | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-01.html | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2QKN56VWXUVFOYGUN75N5IRNK66OHTHT/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HEABZA46XYEUWMGSY2GYYVHISBVWEHIO/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPHOFNI7FKM5NNOVDOWO4TBXFAFICCUE/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZJSKICB67SPPEGNXCQLZVSWR6QGCN3KP/ |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| powerdns | authoritative_server | * | |
| powerdns | authoritative_server | * | |
| powerdns | authoritative_server | * | |
| powerdns | recursor | * | |
| powerdns | recursor | * | |
| powerdns | recursor | * | |
| fedoraproject | fedora | 34 | |
| fedoraproject | fedora | 35 | |
| fedoraproject | fedora | 36 |
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VAR-201811-0292
Vulnerability from variot - Updated: 2023-12-18 13:28An issue has been found in PowerDNS Recursor from 4.0.0 up to and including 4.1.4. A remote attacker sending a DNS query for a meta-type like OPT can lead to a zone being wrongly cached as failing DNSSEC validation. It only arises if the parent zone is signed, and all the authoritative servers for that parent zone answer with FORMERR to a query for at least one of the meta-types. As a result, subsequent queries from clients requesting DNSSEC validation will be answered with a ServFail. PowerDNS Recursor Contains an input validation vulnerability.Service operation interruption (DoS) There is a possibility of being put into a state. PowerDNSRecursor (aka pdns_recursor) is a domain name resolution server from the Dutch PowerDNS company. There are security vulnerabilities in PowerDNSRecursor version 4.0.0 to 4.1.4
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VAR-201202-0180
Vulnerability from variot - Updated: 2023-12-18 11:24The resolver in PowerDNS Recursor (aka pdns_recursor) 3.3 overwrites cached server names and TTL values in NS records during the processing of a response to an A record query, which allows remote attackers to trigger continued resolvability of revoked domain names via a "ghost domain names" attack. PowerDNS Recursor is a high performance recursive name server. A vulnerability exists in the resolver in version 3.3 of PowerDNS Recursor (also known as pdns_recursor). The cache server name and TTL value in the NS record are overwritten during the processing of the query record response. Successfully exploiting these issues will allow an attacker to manipulate cache data, which may aid in further attacks. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201412-33
http://security.gentoo.org/
Severity: High Title: PowerDNS Recursor: Multiple vulnerabilities Date: December 22, 2014 Bugs: #299942, #404377, #514946, #531992 ID: 201412-33
Synopsis
Multiple vulnerabilities have been found in PowerDNS Recursor, the worst of which may allow execution of arbitrary code.
Background
PowerDNS Recursor is a high-end, high-performance resolving name server
Affected packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-dns/pdns-recursor < 3.6.1-r1 >= 3.6.1-r1
Description
Multiple vulnerabilities have been discovered in PowerDNS Recursor. Please review the CVE identifiers and PowerDNS blog post referenced below for details.
Impact
A remote attacker may be able to send specially crafted packets, possibly resulting in arbitrary code execution or a Denial of Service condition. Furthermore, a remote attacker may be able to spoof DNS data.
Workaround
There is no known workaround at this time.
Resolution
All PowerDNS Recursor users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-dns/pdns-recursor-3.6.1-r1"=
References
[ 1 ] CVE-2009-4009 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-4009 [ 2 ] CVE-2009-4010 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-4010 [ 3 ] CVE-2012-1193 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1193 [ 4 ] CVE-2014-8601 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8601 [ 5 ] Related to recent DoS attacks: Recursor configuration file guidance
http://blog.powerdns.com/2014/02/06/related-to-recent-dos-attacks-recurso= r-configuration-file-guidance/
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201412-33.xml
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2014 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
Show details on source website{
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VAR-201001-0677
Vulnerability from variot - Updated: 2023-12-18 11:05Unspecified vulnerability in PowerDNS Recursor before 3.1.7.2 allows remote attackers to spoof DNS data via crafted zones. PowerDNS Recursor is a high performance recursive name server. A remote attacker can trick PowerDNS Recursor into accepting malicious data. The server may incorrectly add records to its cache during parsing of recursive client queries. This is a case of cache poisoning. DNS cache poisoning refers to changing an item in the DNS cache of the DNS server so that the IP address associated with the host name in the cache no longer points to the correct location. For example, if www.example.com maps to the IP address 192.168.0.1 and the mapping exists in the DNS server's cache, an attacker who successfully poisons the server's DNS cache can map www.example.com to 10.0. 0.1. In this case, a user attempting to access www.example.com may contact the wrong web server. PowerDNS is prone to a remote cache-poisoning vulnerability. An attacker can exploit this issue to divert data from a legitimate site to an attacker-specified site. Successful exploits will allow the attacker to manipulate cache data, potentially facilitating man-in-the-middle, site-impersonation, or denial-of-service attacks. PowerDNS 3.1.7.1 and earlier are vulnerable. (Note that the etch version of pdns-recursor was not vulnerable to CVE-2009-4009.)
Extra care should be applied when installing this update. Major differences in internal domain name processing made backporting just the security fix too difficult.
For more information: SA38004
SOLUTION: Apply updated packages using the yum utility ("yum update pdns-recursor"). ----------------------------------------------------------------------
Accurate Vulnerability Scanning No more false positives, no more false negatives
http://secunia.com/vulnerability_scanning/
TITLE: PowerDNS Recursor Spoofing and Buffer Overflow Vulnerabilities
SECUNIA ADVISORY ID: SA38004
VERIFY ADVISORY: http://secunia.com/advisories/38004/
DESCRIPTION: Some vulnerabilities have been reported in PowerDNS Recursor, which can be exploited by malicious people to conduct spoofing attacks and potentially compromise a vulnerable system.
1) An unspecified error exists when handling certain specially crafted packets, which can be exploited to cause a buffer overflow.
Successful exploitation may allow execution of arbitrary code.
The vulnerabilities are reported in PowerDNS Recursor version 3.1.7.1 and prior. PowerDNS Authoritative ('pdns_server') is not affected.
SOLUTION: Update to version 3.1.7.2. http://www.powerdns.com/en/downloads.aspx
PROVIDED AND/OR DISCOVERED BY: The vendor credits anonymous third parties.
ORIGINAL ADVISORY: 1) http://doc.powerdns.com/powerdns-advisory-2010-01.html 2) http://doc.powerdns.com/powerdns-advisory-2010-02.html
About: This Advisory was delivered by Secunia as a free service to help private users keeping their systems up to date against the latest vulnerabilities.
Subscribe: http://secunia.com/advisories/secunia_security_advisories/
Definitions: (Criticality, Where etc.) http://secunia.com/advisories/about_secunia_advisories/
Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor.
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. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201412-33
http://security.gentoo.org/
Severity: High Title: PowerDNS Recursor: Multiple vulnerabilities Date: December 22, 2014 Bugs: #299942, #404377, #514946, #531992 ID: 201412-33
Synopsis
Multiple vulnerabilities have been found in PowerDNS Recursor, the worst of which may allow execution of arbitrary code.
Background
PowerDNS Recursor is a high-end, high-performance resolving name server
Affected packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-dns/pdns-recursor < 3.6.1-r1 >= 3.6.1-r1
Description
Multiple vulnerabilities have been discovered in PowerDNS Recursor. Please review the CVE identifiers and PowerDNS blog post referenced below for details.
Impact
A remote attacker may be able to send specially crafted packets, possibly resulting in arbitrary code execution or a Denial of Service condition.
Workaround
There is no known workaround at this time.
Resolution
All PowerDNS Recursor users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-dns/pdns-recursor-3.6.1-r1"=
References
[ 1 ] CVE-2009-4009 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-4009 [ 2 ] CVE-2009-4010 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-4010 [ 3 ] CVE-2012-1193 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1193 [ 4 ] CVE-2014-8601 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8601 [ 5 ] Related to recent DoS attacks: Recursor configuration file guidance
http://blog.powerdns.com/2014/02/06/related-to-recent-dos-attacks-recurso= r-configuration-file-guidance/
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201412-33.xml
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2014 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5 . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
Debian Security Advisory DSA-1968-1 security@debian.org http://www.debian.org/security/ Florian Weimer January 08, 2010 http://www.debian.org/security/faq
Package : pdns-recursor Vulnerability : several Problem type : remote Debian-specific: no CVE Id(s) : CVE-2009-4009 CVE-2009-4010
It was discovered that pdns-recursor, the PowerDNS recursive name server, contains several vulnerabilities:
A buffer overflow can be exploited to crash the daemon, or potentially execute arbitrary code (CVE-2009-4009).
For the old stable distribution (etch), fixed packages will be provided soon.
For the stable distribution (lenny), these problems have been fixed in version 3.1.7-1+lenny1.
For the unstable distribution (sid), these problems have been fixed in version 3.1.7.2-1.
We recommend that you upgrade your pdns-recursor package.
Upgrade instructions
wget url will fetch the file for you dpkg -i file.deb will install the referenced file.
If you are using the apt-get package manager, use the line for sources.list as given below:
apt-get update will update the internal database apt-get upgrade will install corrected packages
You may use an automated update by adding the resources from the footer to the proper configuration.
Debian GNU/Linux 5.0 alias lenny
Source archives:
http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7.orig.tar.gz Size/MD5 checksum: 211760 38c58fef666685d6756da97baf9b4d51 http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1.dsc Size/MD5 checksum: 1654 fff9beb43eec355ca42d93d53c1ce299 http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1.diff.gz Size/MD5 checksum: 14769 8794fecd11f1b014592e2a36d40aaaf6
alpha architecture (DEC Alpha)
http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_alpha.deb Size/MD5 checksum: 545726 dc05fab76c0fcb051b9a428cfa126061
amd64 architecture (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_amd64.deb Size/MD5 checksum: 440822 365fc4da2fd1770f8e62f1a3a0046231
i386 architecture (Intel ia32)
http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_i386.deb Size/MD5 checksum: 440686 ac26d27658892619ce539921796bce67
ia64 architecture (Intel ia64)
http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_ia64.deb Size/MD5 checksum: 631308 f80c2d28ee6d9ebdbf6cad177c8fbddd
powerpc architecture (PowerPC)
http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_powerpc.deb Size/MD5 checksum: 463434 f0bba833d4231bb2237433373e888a12
s390 architecture (IBM S/390)
http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_s390.deb Size/MD5 checksum: 428138 994a5190fa0f73b49252bee0a695fb4d
These files will probably be moved into the stable distribution on its next update.
For apt-get: deb http://security.debian.org/ stable/updates main For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main Mailing list: debian-security-announce@lists.debian.org Package info: `apt-cache show ' and http://packages.debian.org/ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux)
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Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
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"data": "Unspecified vulnerability in PowerDNS Recursor before 3.1.7.2 allows remote attackers to spoof DNS data via crafted zones. PowerDNS Recursor is a high performance recursive name server. A remote attacker can trick PowerDNS Recursor into accepting malicious data. The server may incorrectly add records to its cache during parsing of recursive client queries. This is a case of cache poisoning. DNS cache poisoning refers to changing an item in the DNS cache of the DNS server so that the IP address associated with the host name in the cache no longer points to the correct location. For example, if www.example.com maps to the IP address 192.168.0.1 and the mapping exists in the DNS server\u0027s cache, an attacker who successfully poisons the server\u0027s DNS cache can map www.example.com to 10.0. 0.1. In this case, a user attempting to access www.example.com may contact the wrong web server. PowerDNS is prone to a remote cache-poisoning vulnerability. \nAn attacker can exploit this issue to divert data from a legitimate site to an attacker-specified site. \nSuccessful exploits will allow the attacker to manipulate cache data, potentially facilitating man-in-the-middle, site-impersonation, or denial-of-service attacks. \nPowerDNS 3.1.7.1 and earlier are vulnerable. (Note that the\netch version of pdns-recursor was not vulnerable to CVE-2009-4009.)\n\nExtra care should be applied when installing this update. Major differences in internal domain name processing made\nbackporting just the security fix too difficult. \n\nFor more information:\nSA38004\n\nSOLUTION:\nApply updated packages using the yum utility (\"yum update\npdns-recursor\"). ----------------------------------------------------------------------\n\n\n\nAccurate Vulnerability Scanning\nNo more false positives, no more false negatives\n\nhttp://secunia.com/vulnerability_scanning/\n\n\n\n----------------------------------------------------------------------\n\nTITLE:\nPowerDNS Recursor Spoofing and Buffer Overflow Vulnerabilities\n\nSECUNIA ADVISORY ID:\nSA38004\n\nVERIFY ADVISORY:\nhttp://secunia.com/advisories/38004/\n\nDESCRIPTION:\nSome vulnerabilities have been reported in PowerDNS Recursor, which\ncan be exploited by malicious people to conduct spoofing attacks and\npotentially compromise a vulnerable system. \n\n1) An unspecified error exists when handling certain specially\ncrafted packets, which can be exploited to cause a buffer overflow. \n\nSuccessful exploitation may allow execution of arbitrary code. \n\nThe vulnerabilities are reported in PowerDNS Recursor version 3.1.7.1\nand prior. PowerDNS Authoritative (\u0027pdns_server\u0027) is not affected. \n\nSOLUTION:\nUpdate to version 3.1.7.2. \nhttp://www.powerdns.com/en/downloads.aspx\n\nPROVIDED AND/OR DISCOVERED BY:\nThe vendor credits anonymous third parties. \n\nORIGINAL ADVISORY:\n1) http://doc.powerdns.com/powerdns-advisory-2010-01.html\n2) http://doc.powerdns.com/powerdns-advisory-2010-02.html\n\n----------------------------------------------------------------------\n\nAbout:\nThis Advisory was delivered by Secunia as a free service to help\nprivate users keeping their systems up to date against the latest\nvulnerabilities. \n\nSubscribe:\nhttp://secunia.com/advisories/secunia_security_advisories/\n\nDefinitions: (Criticality, Where etc.)\nhttp://secunia.com/advisories/about_secunia_advisories/\n\n\nPlease Note:\nSecunia recommends that you verify all advisories you receive by\nclicking the link. \nSecunia NEVER sends attached files with advisories. \nSecunia does not advise people to install third party patches, only\nuse those supplied by the vendor. \n\n----------------------------------------------------------------------\n\nUnsubscribe: Secunia Security Advisories\nhttp://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org\n\n----------------------------------------------------------------------\n\n\n. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\nGentoo Linux Security Advisory GLSA 201412-33\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n http://security.gentoo.org/\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\n Severity: High\n Title: PowerDNS Recursor: Multiple vulnerabilities\n Date: December 22, 2014\n Bugs: #299942, #404377, #514946, #531992\n ID: 201412-33\n\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\nSynopsis\n========\n\nMultiple vulnerabilities have been found in PowerDNS Recursor, the\nworst of which may allow execution of arbitrary code. \n\nBackground\n==========\n\nPowerDNS Recursor is a high-end, high-performance resolving name server\n\nAffected packages\n=================\n\n -------------------------------------------------------------------\n Package / Vulnerable / Unaffected\n -------------------------------------------------------------------\n 1 net-dns/pdns-recursor \u003c 3.6.1-r1 \u003e= 3.6.1-r1\n\nDescription\n===========\n\nMultiple vulnerabilities have been discovered in PowerDNS Recursor. \nPlease review the CVE identifiers and PowerDNS blog post referenced\nbelow for details. \n\nImpact\n======\n\nA remote attacker may be able to send specially crafted packets,\npossibly resulting in arbitrary code execution or a Denial of Service\ncondition. \n\nWorkaround\n==========\n\nThere is no known workaround at this time. \n\nResolution\n==========\n\nAll PowerDNS Recursor users should upgrade to the latest version:\n\n # emerge --sync\n # emerge --ask --oneshot --verbose \"\u003e=net-dns/pdns-recursor-3.6.1-r1\"=\n\n\nReferences\n==========\n\n[ 1 ] CVE-2009-4009\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-4009\n[ 2 ] CVE-2009-4010\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-4010\n[ 3 ] CVE-2012-1193\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1193\n[ 4 ] CVE-2014-8601\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8601\n[ 5 ] Related to recent DoS attacks: Recursor configuration file\n guidance\n\nhttp://blog.powerdns.com/2014/02/06/related-to-recent-dos-attacks-recurso=\nr-configuration-file-guidance/\n\nAvailability\n============\n\nThis GLSA and any updates to it are available for viewing at\nthe Gentoo Security Website:\n\n http://security.gentoo.org/glsa/glsa-201412-33.xml\n\nConcerns?\n=========\n\nSecurity is a primary focus of Gentoo Linux and ensuring the\nconfidentiality and security of our users\u0027 machines is of utmost\nimportance to us. Any security concerns should be addressed to\nsecurity@gentoo.org or alternatively, you may file a bug at\nhttps://bugs.gentoo.org. \n\nLicense\n=======\n\nCopyright 2014 Gentoo Foundation, Inc; referenced text\nbelongs to its owner(s). \n\nThe contents of this document are licensed under the\nCreative Commons - Attribution / Share Alike license. \n\nhttp://creativecommons.org/licenses/by-sa/2.5\n. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA1\n\n- ------------------------------------------------------------------------\nDebian Security Advisory DSA-1968-1 security@debian.org\nhttp://www.debian.org/security/ Florian Weimer\nJanuary 08, 2010 http://www.debian.org/security/faq\n- ------------------------------------------------------------------------\n\nPackage : pdns-recursor\nVulnerability : several\nProblem type : remote\nDebian-specific: no\nCVE Id(s) : CVE-2009-4009 CVE-2009-4010\n\nIt was discovered that pdns-recursor, the PowerDNS recursive name\nserver, contains several vulnerabilities:\n\nA buffer overflow can be exploited to crash the daemon, or potentially\nexecute arbitrary code (CVE-2009-4009). \n\nFor the old stable distribution (etch), fixed packages will be\nprovided soon. \n\nFor the stable distribution (lenny), these problems have been fixed in\nversion 3.1.7-1+lenny1. \n\nFor the unstable distribution (sid), these problems have been fixed in\nversion 3.1.7.2-1. \n\nWe recommend that you upgrade your pdns-recursor package. \n\nUpgrade instructions\n- --------------------\n\nwget url\n will fetch the file for you\ndpkg -i file.deb\n will install the referenced file. \n\nIf you are using the apt-get package manager, use the line for\nsources.list as given below:\n\napt-get update\n will update the internal database\napt-get upgrade\n will install corrected packages\n\nYou may use an automated update by adding the resources from the\nfooter to the proper configuration. \n\n\nDebian GNU/Linux 5.0 alias lenny\n- --------------------------------\n\nSource archives:\n\n http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7.orig.tar.gz\n Size/MD5 checksum: 211760 38c58fef666685d6756da97baf9b4d51\n http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1.dsc\n Size/MD5 checksum: 1654 fff9beb43eec355ca42d93d53c1ce299\n http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1.diff.gz\n Size/MD5 checksum: 14769 8794fecd11f1b014592e2a36d40aaaf6\n\nalpha architecture (DEC Alpha)\n\n http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_alpha.deb\n Size/MD5 checksum: 545726 dc05fab76c0fcb051b9a428cfa126061\n\namd64 architecture (AMD x86_64 (AMD64))\n\n http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_amd64.deb\n Size/MD5 checksum: 440822 365fc4da2fd1770f8e62f1a3a0046231\n\ni386 architecture (Intel ia32)\n\n http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_i386.deb\n Size/MD5 checksum: 440686 ac26d27658892619ce539921796bce67\n\nia64 architecture (Intel ia64)\n\n http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_ia64.deb\n Size/MD5 checksum: 631308 f80c2d28ee6d9ebdbf6cad177c8fbddd\n\npowerpc architecture (PowerPC)\n\n http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_powerpc.deb\n Size/MD5 checksum: 463434 f0bba833d4231bb2237433373e888a12\n\ns390 architecture (IBM S/390)\n\n http://security.debian.org/pool/updates/main/p/pdns-recursor/pdns-recursor_3.1.7-1+lenny1_s390.deb\n Size/MD5 checksum: 428138 994a5190fa0f73b49252bee0a695fb4d\n\n\n These files will probably be moved into the stable distribution on\n its next update. \n\n- ---------------------------------------------------------------------------------\nFor apt-get: deb http://security.debian.org/ stable/updates main\nFor dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main\nMailing list: debian-security-announce@lists.debian.org\nPackage info: `apt-cache show \u003cpkg\u003e\u0027 and http://packages.debian.org/\u003cpkg\u003e\n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1.4.9 (GNU/Linux)\n\niQEcBAEBAgAGBQJLR6jtAAoJEL97/wQC1SS+RxkH/0esg7lQO3qDCRJw32DPNjI0\nzlHI6Z6jvWyhYnitqfrzuXdgU18Nq5txdLvJlllQOtxVOnwXAaVOSHCELc0c4i2D\nDC0JLWGm43n6RBxEteJsx83xN5yucVg4c7KvSjDM2lHkcOnXL+Z6Qz93pFgoL9wF\nx6uBdBBV3+YqrvHvl8hV0fHQPyMYvE6x2sJ5eBm6bluXCPgNYviFtiCTx1HUUTBn\ncsGvkDSX81vFe07AKWr41ZiC0p5vesyJC4V6ljB2l9UWPLGT1pKZSuByfdNYMgvV\nguGTqguJzcjaoQ8Cn619Rmqn513N8itRyIqb8gI9E+YmcizBIdLHDi4JSsD/ikA=\n=XCaJ\n-----END PGP SIGNATURE-----\n\n_______________________________________________\nFull-Disclosure - We believe in it. \nCharter: http://lists.grok.org.uk/full-disclosure-charter.html\nHosted and sponsored by Secunia - http://secunia.com/\n",
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