All the vulnerabilites related to NTPsec - ntpsec
cve-2023-4012
Vulnerability from cvelistv5
Published
2023-08-07 17:30
Modified
2024-08-30 15:47
Severity ?
EPSS score ?
Summary
ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request (mode 3).
References
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cve-2021-22212
Vulnerability from cvelistv5
Published
2021-06-08 12:07
Modified
2024-08-03 18:37
Severity ?
EPSS score ?
Summary
ntpkeygen can generate keys that ntpd fails to parse. NTPsec 1.2.0 allows ntpkeygen to generate keys with '#' characters. ntpd then either pads, shortens the key, or fails to load these keys entirely, depending on the key type and the placement of the '#'. This results in the administrator not being able to use the keys as expected or the keys are shorter than expected and easier to brute-force, possibly resulting in MITM attacks between ntp clients and ntp servers. For short AES128 keys, ntpd generates a warning that it is padding them.
References
| ▼ | URL | Tags |
|---|---|---|
| https://gitlab.com/NTPsec/ntpsec/-/issues/699 | x_refsource_MISC | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1955859 | x_refsource_MISC | |
| https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22212.json | x_refsource_CONFIRM | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3GIT2HYL5BQXPGKI6ZDNG473IEQ5WQF2/ | vendor-advisory, x_refsource_FEDORA |
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cve-2019-6444
Vulnerability from cvelistv5
Published
2019-01-16 05:00
Modified
2024-08-04 20:23
Severity ?
EPSS score ?
Summary
An issue was discovered in NTPsec before 1.1.3. process_control() in ntp_control.c has a stack-based buffer over-read because attacker-controlled data is dereferenced by ntohl() in ntpd.
References
| ▼ | URL | Tags |
|---|---|---|
| https://dumpco.re/bugs/ntpsec-oobread2 | x_refsource_MISC | |
| https://dumpco.re/blog/ntpsec-bugs | x_refsource_MISC | |
| https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS | x_refsource_MISC | |
| https://www.exploit-db.com/exploits/46176/ | exploit, x_refsource_EXPLOIT-DB |
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cve-2019-6443
Vulnerability from cvelistv5
Published
2019-01-16 05:00
Modified
2024-08-04 20:23
Severity ?
EPSS score ?
Summary
An issue was discovered in NTPsec before 1.1.3. Because of a bug in ctl_getitem, there is a stack-based buffer over-read in read_sysvars in ntp_control.c in ntpd.
References
| ▼ | URL | Tags |
|---|---|---|
| https://dumpco.re/blog/ntpsec-bugs | x_refsource_MISC | |
| https://dumpco.re/bugs/ntpsec-oobread1 | x_refsource_MISC | |
| https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS | x_refsource_MISC | |
| https://www.exploit-db.com/exploits/46175/ | exploit, x_refsource_EXPLOIT-DB |
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cve-2019-6442
Vulnerability from cvelistv5
Published
2019-01-16 05:00
Modified
2024-08-04 20:23
Severity ?
EPSS score ?
Summary
An issue was discovered in NTPsec before 1.1.3. An authenticated attacker can write one byte out of bounds in ntpd via a malformed config request, related to config_remotely in ntp_config.c, yyparse in ntp_parser.tab.c, and yyerror in ntp_parser.y.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exploit-db.com/exploits/46178/ | exploit, x_refsource_EXPLOIT-DB | |
| https://dumpco.re/bugs/ntpsec-authed-oobwrite | x_refsource_MISC | |
| https://dumpco.re/blog/ntpsec-bugs | x_refsource_MISC | |
| https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS | x_refsource_MISC |
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cve-2019-6445
Vulnerability from cvelistv5
Published
2019-01-16 05:00
Modified
2024-08-04 20:23
Severity ?
EPSS score ?
Summary
An issue was discovered in NTPsec before 1.1.3. An authenticated attacker can cause a NULL pointer dereference and ntpd crash in ntp_control.c, related to ctl_getitem.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.exploit-db.com/exploits/46177/ | exploit, x_refsource_EXPLOIT-DB | |
| https://dumpco.re/blog/ntpsec-bugs | x_refsource_MISC | |
| https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS | x_refsource_MISC | |
| https://dumpco.re/bugs/ntpsec-authed-npe | x_refsource_MISC |
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cve-2016-1551
Vulnerability from cvelistv5
Published
2017-01-27 17:00
Modified
2024-08-05 23:02
Severity ?
EPSS score ?
Summary
ntpd in NTP 4.2.8p3 and NTPsec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 relies on the underlying operating system to protect it from requests that impersonate reference clocks. Because reference clocks are treated like other peers and stored in the same structure, any packet with a source ip address of a reference clock (127.127.1.1 for example) that reaches the receive() function will match that reference clock's peer record and will be treated as a trusted peer. Any system that lacks the typical martian packet filtering which would block these packets is in danger of having its time controlled by an attacker.
References
| ▼ | URL | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/88219 | vdb-entry, x_refsource_BID | |
| http://www.talosintelligence.com/reports/TALOS-2016-0132/ | x_refsource_MISC | |
| http://www.securitytracker.com/id/1035705 | vdb-entry, x_refsource_SECTRACK | |
| http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html | x_refsource_CONFIRM | |
| https://security.netapp.com/advisory/ntap-20171004-0002/ | x_refsource_CONFIRM | |
| https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc | vendor-advisory, x_refsource_FREEBSD | |
| https://security.gentoo.org/glsa/201607-15 | vendor-advisory, x_refsource_GENTOO |
Impacted products
| Vendor | Product | Version | |||||
|---|---|---|---|---|---|---|---|
| ▼ | NTP Project | NTP |
Version: 4.2.8p3 Version: 4.2.8p4 |
||||
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Vulnerability from fkie_nvd
Published
2019-01-16 05:29
Modified
2024-11-21 04:46
Severity ?
Summary
An issue was discovered in NTPsec before 1.1.3. process_control() in ntp_control.c has a stack-based buffer over-read because attacker-controlled data is dereferenced by ntohl() in ntpd.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://dumpco.re/blog/ntpsec-bugs | Exploit, Third Party Advisory | |
| cve@mitre.org | https://dumpco.re/bugs/ntpsec-oobread2 | Exploit, Third Party Advisory | |
| cve@mitre.org | https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS | Release Notes, Third Party Advisory | |
| cve@mitre.org | https://www.exploit-db.com/exploits/46176/ | Exploit, Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://dumpco.re/blog/ntpsec-bugs | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://dumpco.re/bugs/ntpsec-oobread2 | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS | Release Notes, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.exploit-db.com/exploits/46176/ | Exploit, Third Party Advisory, VDB Entry |
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Vulnerability from fkie_nvd
Published
2019-01-16 05:29
Modified
2024-11-21 04:46
Severity ?
Summary
An issue was discovered in NTPsec before 1.1.3. Because of a bug in ctl_getitem, there is a stack-based buffer over-read in read_sysvars in ntp_control.c in ntpd.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://dumpco.re/blog/ntpsec-bugs | Exploit, Third Party Advisory | |
| cve@mitre.org | https://dumpco.re/bugs/ntpsec-oobread1 | Exploit, Third Party Advisory | |
| cve@mitre.org | https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS | Release Notes, Third Party Advisory | |
| cve@mitre.org | https://www.exploit-db.com/exploits/46175/ | Exploit, Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://dumpco.re/blog/ntpsec-bugs | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://dumpco.re/bugs/ntpsec-oobread1 | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS | Release Notes, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.exploit-db.com/exploits/46175/ | Exploit, Third Party Advisory, VDB Entry |
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Vulnerability from fkie_nvd
Published
2023-08-07 18:15
Modified
2024-11-21 08:34
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
ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request (mode 3).
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@gitlab.com | https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1038422 | Issue Tracking, Third Party Advisory | |
| cve@gitlab.com | https://gitlab.com/NTPsec/ntpsec/-/issues/794 | Issue Tracking, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1038422 | Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://gitlab.com/NTPsec/ntpsec/-/issues/794 | Issue Tracking, Vendor Advisory |
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Vulnerability from fkie_nvd
Published
2017-01-27 17:59
Modified
2024-11-21 02:46
Severity ?
Summary
ntpd in NTP 4.2.8p3 and NTPsec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 relies on the underlying operating system to protect it from requests that impersonate reference clocks. Because reference clocks are treated like other peers and stored in the same structure, any packet with a source ip address of a reference clock (127.127.1.1 for example) that reaches the receive() function will match that reference clock's peer record and will be treated as a trusted peer. Any system that lacks the typical martian packet filtering which would block these packets is in danger of having its time controlled by an attacker.
References
Impacted products
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},
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"url": "https://security.netapp.com/advisory/ntap-20171004-0002/"
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"sourceIdentifier": "cret@cert.org",
"vulnStatus": "Modified",
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"type": "Primary"
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}
Vulnerability from fkie_nvd
Published
2019-01-16 05:29
Modified
2024-11-21 04:46
Severity ?
Summary
An issue was discovered in NTPsec before 1.1.3. An authenticated attacker can write one byte out of bounds in ntpd via a malformed config request, related to config_remotely in ntp_config.c, yyparse in ntp_parser.tab.c, and yyerror in ntp_parser.y.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://dumpco.re/blog/ntpsec-bugs | Exploit, Third Party Advisory | |
| cve@mitre.org | https://dumpco.re/bugs/ntpsec-authed-oobwrite | Exploit, Third Party Advisory | |
| cve@mitre.org | https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS | Release Notes, Third Party Advisory | |
| cve@mitre.org | https://www.exploit-db.com/exploits/46178/ | Exploit, Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://dumpco.re/blog/ntpsec-bugs | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://dumpco.re/bugs/ntpsec-authed-oobwrite | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS | Release Notes, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.exploit-db.com/exploits/46178/ | Exploit, Third Party Advisory, VDB Entry |
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Vulnerability from fkie_nvd
Published
2019-01-16 05:29
Modified
2024-11-21 04:46
Severity ?
Summary
An issue was discovered in NTPsec before 1.1.3. An authenticated attacker can cause a NULL pointer dereference and ntpd crash in ntp_control.c, related to ctl_getitem.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://dumpco.re/blog/ntpsec-bugs | Exploit, Third Party Advisory | |
| cve@mitre.org | https://dumpco.re/bugs/ntpsec-authed-npe | Exploit, Third Party Advisory | |
| cve@mitre.org | https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS | Release Notes, Third Party Advisory | |
| cve@mitre.org | https://www.exploit-db.com/exploits/46177/ | Exploit, Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://dumpco.re/blog/ntpsec-bugs | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://dumpco.re/bugs/ntpsec-authed-npe | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS | Release Notes, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.exploit-db.com/exploits/46177/ | Exploit, Third Party Advisory, VDB Entry |
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Vulnerability from fkie_nvd
Published
2021-06-08 13:15
Modified
2024-11-21 05:49
Severity ?
4.0 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N
7.4 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
7.4 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Summary
ntpkeygen can generate keys that ntpd fails to parse. NTPsec 1.2.0 allows ntpkeygen to generate keys with '#' characters. ntpd then either pads, shortens the key, or fails to load these keys entirely, depending on the key type and the placement of the '#'. This results in the administrator not being able to use the keys as expected or the keys are shorter than expected and easier to brute-force, possibly resulting in MITM attacks between ntp clients and ntp servers. For short AES128 keys, ntpd generates a warning that it is padding them.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ntpsec | ntpsec | 1.2.0 | |
| fedoraproject | fedora | 34 |
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var-201701-0422
Vulnerability from variot
ntpd in NTP 4.2.8p3 and NTPsec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 relies on the underlying operating system to protect it from requests that impersonate reference clocks. Because reference clocks are treated like other peers and stored in the same structure, any packet with a source ip address of a reference clock (127.127.1.1 for example) that reaches the receive() function will match that reference clock's peer record and will be treated as a trusted peer. Any system that lacks the typical martian packet filtering which would block these packets is in danger of having its time controlled by an attacker. The NTP.org reference implementation of ntpd contains multiple vulnerabilities. NTP is prone to a remote security vulnerability. Successful exploits will allow attackers to bypass certain security restrictions and perform some unauthorized actions to the application. This may aid in further attacks. Versions prior to NTP 4.2.8p7 and 4.3.x versions prior to 4.3.92 are vulnerable.
Gentoo Linux Security Advisory GLSA 201607-15
https://security.gentoo.org/
Severity: Normal Title: NTP: Multiple vulnerabilities Date: July 20, 2016 Bugs: #563774, #572452, #581528, #584954 ID: 201607-15
Synopsis
Multiple vulnerabilities have been found in NTP, the worst of which could lead to Denial of Service.
Background
NTP contains software for the Network Time Protocol.
Affected packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/ntp < 4.2.8_p8 >= 4.2.8_p8
Description
Multiple vulnerabilities have been discovered in NTP. Please review the CVE identifiers referenced below for details.
Impact
A remote attacker could possibly cause a Denial of Service condition.
Workaround
There is no known workaround at this time.
Resolution
All NTP users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/ntp-4.2.8_p8"
References
[ 1 ] CVE-2015-7691 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7691 [ 2 ] CVE-2015-7692 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7692 [ 3 ] CVE-2015-7701 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7701 [ 4 ] CVE-2015-7702 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7702 [ 5 ] CVE-2015-7703 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7703 [ 6 ] CVE-2015-7704 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7704 [ 7 ] CVE-2015-7705 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7705 [ 8 ] CVE-2015-7848 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7848 [ 9 ] CVE-2015-7849 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7849 [ 10 ] CVE-2015-7850 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7850 [ 11 ] CVE-2015-7851 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7851 [ 12 ] CVE-2015-7852 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7852 [ 13 ] CVE-2015-7853 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7853 [ 14 ] CVE-2015-7854 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7854 [ 15 ] CVE-2015-7855 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7855 [ 16 ] CVE-2015-7871 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7871 [ 17 ] CVE-2015-7973 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7973 [ 18 ] CVE-2015-7974 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7974 [ 19 ] CVE-2015-7975 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7975 [ 20 ] CVE-2015-7976 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7976 [ 21 ] CVE-2015-7977 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7977 [ 22 ] CVE-2015-7978 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7978 [ 23 ] CVE-2015-7979 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7979 [ 24 ] CVE-2015-8138 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8138 [ 25 ] CVE-2015-8139 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8139 [ 26 ] CVE-2015-8140 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8140 [ 27 ] CVE-2015-8158 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8158 [ 28 ] CVE-2016-1547 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1547 [ 29 ] CVE-2016-1548 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1548 [ 30 ] CVE-2016-1549 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1549 [ 31 ] CVE-2016-1550 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1550 [ 32 ] CVE-2016-1551 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1551 [ 33 ] CVE-2016-2516 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2516 [ 34 ] CVE-2016-2517 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2517 [ 35 ] CVE-2016-2518 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2518 [ 36 ] CVE-2016-2519 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2519 [ 37 ] CVE-2016-4953 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4953 [ 38 ] CVE-2016-4954 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4954 [ 39 ] CVE-2016-4955 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4955 [ 40 ] CVE-2016-4956 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4956 [ 41 ] CVE-2016-4957 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4957
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/201607-15
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 2016 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
[slackware-security] ntp (SSA:2016-120-01)
New ntp packages are available for Slackware 13.0, 13.1, 13.37, 14.0, 14.1, and -current to fix security issues.
Here are the details from the Slackware 14.1 ChangeLog: +--------------------------+ patches/packages/ntp-4.2.8p7-i486-1_slack14.1.txz: Upgraded. This release patches several low and medium severity security issues: CVE-2016-1551: Refclock impersonation vulnerability, AKA: refclock-peering CVE-2016-1549: Sybil vulnerability: ephemeral association attack, AKA: ntp-sybil - MITIGATION ONLY CVE-2016-2516: Duplicate IPs on unconfig directives will cause an assertion botch CVE-2016-2517: Remote configuration trustedkey/requestkey values are not properly validated CVE-2016-2518: Crafted addpeer with hmode > 7 causes array wraparound with MATCH_ASSOC CVE-2016-2519: ctl_getitem() return value not always checked CVE-2016-1547: Validate crypto-NAKs, AKA: nak-dos CVE-2016-1548: Interleave-pivot - MITIGATION ONLY CVE-2015-7704: KoD fix: peer associations were broken by the fix for NtpBug2901, AKA: Symmetric active/passive mode is broken CVE-2015-8138: Zero Origin Timestamp Bypass, AKA: Additional KoD Checks CVE-2016-1550: Improve NTP security against buffer comparison timing attacks, authdecrypt-timing, AKA: authdecrypt-timing For more information, see: http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7704 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8138 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1547 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1548 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1549 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1550 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1551 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2516 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2517 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2518 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2519 ( Security fix ) +--------------------------+
Where to find the new packages: +-----------------------------+
Thanks to the friendly folks at the OSU Open Source Lab (http://osuosl.org) for donating FTP and rsync hosting to the Slackware project! :-)
Also see the "Get Slack" section on http://slackware.com for additional mirror sites near you.
Updated package for Slackware 13.0: ftp://ftp.slackware.com/pub/slackware/slackware-13.0/patches/packages/ntp-4.2.8p7-i486-1_slack13.0.txz
Updated package for Slackware x86_64 13.0: ftp://ftp.slackware.com/pub/slackware/slackware64-13.0/patches/packages/ntp-4.2.8p7-x86_64-1_slack13.0.txz
Updated package for Slackware 13.1: ftp://ftp.slackware.com/pub/slackware/slackware-13.1/patches/packages/ntp-4.2.8p7-i486-1_slack13.1.txz
Updated package for Slackware x86_64 13.1: ftp://ftp.slackware.com/pub/slackware/slackware64-13.1/patches/packages/ntp-4.2.8p7-x86_64-1_slack13.1.txz
Updated package for Slackware 13.37: ftp://ftp.slackware.com/pub/slackware/slackware-13.37/patches/packages/ntp-4.2.8p7-i486-1_slack13.37.txz
Updated package for Slackware x86_64 13.37: ftp://ftp.slackware.com/pub/slackware/slackware64-13.37/patches/packages/ntp-4.2.8p7-x86_64-1_slack13.37.txz
Updated package for Slackware 14.0: ftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/ntp-4.2.8p7-i486-1_slack14.0.txz
Updated package for Slackware x86_64 14.0: ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/ntp-4.2.8p7-x86_64-1_slack14.0.txz
Updated package for Slackware 14.1: ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/ntp-4.2.8p7-i486-1_slack14.1.txz
Updated package for Slackware x86_64 14.1: ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/ntp-4.2.8p7-x86_64-1_slack14.1.txz
Updated package for Slackware -current: ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/ntp-4.2.8p7-i586-1.txz
Updated package for Slackware x86_64 -current: ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/ntp-4.2.8p7-x86_64-1.txz
MD5 signatures: +-------------+
Slackware 13.0 package: 785dc2ef5f80edb28dc781e261c3fe3f ntp-4.2.8p7-i486-1_slack13.0.txz
Slackware x86_64 13.0 package: 899421096b7b63e6cb269f8b01dfd875 ntp-4.2.8p7-x86_64-1_slack13.0.txz
Slackware 13.1 package: dfd34cbd31be3572a2bcae7f59cdfd91 ntp-4.2.8p7-i486-1_slack13.1.txz
Slackware x86_64 13.1 package: 63c4b31736040e7950361cd0d7081c8b ntp-4.2.8p7-x86_64-1_slack13.1.txz
Slackware 13.37 package: e760ae0c6cc3fa933e4d65d6995b0c84 ntp-4.2.8p7-i486-1_slack13.37.txz
Slackware x86_64 13.37 package: aa448523b27bb4fcccc2f46cf4d72bc5 ntp-4.2.8p7-x86_64-1_slack13.37.txz
Slackware 14.0 package: 3bc7e54a4164a4f91be996b5cf2e643e ntp-4.2.8p7-i486-1_slack14.0.txz
Slackware x86_64 14.0 package: 0f6ea4dae476709f26f5d0e33378576c ntp-4.2.8p7-x86_64-1_slack14.0.txz
Slackware 14.1 package: dbe827ee7ece6ce5ca083cdd5960162c ntp-4.2.8p7-i486-1_slack14.1.txz
Slackware x86_64 14.1 package: 89f3edf183a6a9847d69b8349f98c901 ntp-4.2.8p7-x86_64-1_slack14.1.txz
Slackware -current package: 4018b86edd15e40e8c5e9f50d907dcff n/ntp-4.2.8p7-i586-1.txz
Slackware x86_64 -current package: 7dd6b64ba8c9fdaebb7becc1f5c3963d n/ntp-4.2.8p7-x86_64-1.txz
Installation instructions: +------------------------+
Upgrade the package as root:
upgradepkg ntp-4.2.8p7-i486-1_slack14.1.txz
Then, restart the NTP daemon:
sh /etc/rc.d/rc.ntpd restart
+-----+
Slackware Linux Security Team http://slackware.com/gpg-key security@slackware.com
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"data": "ntpd in NTP 4.2.8p3 and NTPsec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 relies on the underlying operating system to protect it from requests that impersonate reference clocks. Because reference clocks are treated like other peers and stored in the same structure, any packet with a source ip address of a reference clock (127.127.1.1 for example) that reaches the receive() function will match that reference clock\u0027s peer record and will be treated as a trusted peer. Any system that lacks the typical martian packet filtering which would block these packets is in danger of having its time controlled by an attacker. The NTP.org reference implementation of ntpd contains multiple vulnerabilities. NTP is prone to a remote security vulnerability. \nSuccessful exploits will allow attackers to bypass certain security restrictions and perform some unauthorized actions to the application. This may aid in further attacks. \nVersions prior to NTP 4.2.8p7 and 4.3.x versions prior to 4.3.92 are vulnerable. \n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\nGentoo Linux Security Advisory GLSA 201607-15\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n https://security.gentoo.org/\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\n Severity: Normal\n Title: NTP: Multiple vulnerabilities\n Date: July 20, 2016\n Bugs: #563774, #572452, #581528, #584954\n ID: 201607-15\n\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\nSynopsis\n========\n\nMultiple vulnerabilities have been found in NTP, the worst of which\ncould lead to Denial of Service. \n\nBackground\n==========\n\nNTP contains software for the Network Time Protocol. \n\nAffected packages\n=================\n\n -------------------------------------------------------------------\n Package / Vulnerable / Unaffected\n -------------------------------------------------------------------\n 1 net-misc/ntp \u003c 4.2.8_p8 \u003e= 4.2.8_p8\n\nDescription\n===========\n\nMultiple vulnerabilities have been discovered in NTP. Please review the\nCVE identifiers referenced below for details. \n\nImpact\n======\n\nA remote attacker could possibly cause a Denial of Service condition. \n\nWorkaround\n==========\n\nThere is no known workaround at this time. \n\nResolution\n==========\n\nAll NTP users should upgrade to the latest version:\n\n # emerge --sync\n # emerge --ask --oneshot --verbose \"\u003e=net-misc/ntp-4.2.8_p8\"\n\nReferences\n==========\n\n[ 1 ] CVE-2015-7691\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7691\n[ 2 ] CVE-2015-7692\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7692\n[ 3 ] CVE-2015-7701\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7701\n[ 4 ] CVE-2015-7702\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7702\n[ 5 ] CVE-2015-7703\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7703\n[ 6 ] CVE-2015-7704\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7704\n[ 7 ] CVE-2015-7705\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7705\n[ 8 ] CVE-2015-7848\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7848\n[ 9 ] CVE-2015-7849\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7849\n[ 10 ] CVE-2015-7850\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7850\n[ 11 ] CVE-2015-7851\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7851\n[ 12 ] CVE-2015-7852\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7852\n[ 13 ] CVE-2015-7853\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7853\n[ 14 ] CVE-2015-7854\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7854\n[ 15 ] CVE-2015-7855\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7855\n[ 16 ] CVE-2015-7871\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7871\n[ 17 ] CVE-2015-7973\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7973\n[ 18 ] CVE-2015-7974\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7974\n[ 19 ] CVE-2015-7975\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7975\n[ 20 ] CVE-2015-7976\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7976\n[ 21 ] CVE-2015-7977\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7977\n[ 22 ] CVE-2015-7978\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7978\n[ 23 ] CVE-2015-7979\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7979\n[ 24 ] CVE-2015-8138\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8138\n[ 25 ] CVE-2015-8139\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8139\n[ 26 ] CVE-2015-8140\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8140\n[ 27 ] CVE-2015-8158\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8158\n[ 28 ] CVE-2016-1547\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1547\n[ 29 ] CVE-2016-1548\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1548\n[ 30 ] CVE-2016-1549\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1549\n[ 31 ] CVE-2016-1550\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1550\n[ 32 ] CVE-2016-1551\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1551\n[ 33 ] CVE-2016-2516\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2516\n[ 34 ] CVE-2016-2517\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2517\n[ 35 ] CVE-2016-2518\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2518\n[ 36 ] CVE-2016-2519\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2519\n[ 37 ] CVE-2016-4953\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4953\n[ 38 ] CVE-2016-4954\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4954\n[ 39 ] CVE-2016-4955\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4955\n[ 40 ] CVE-2016-4956\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4956\n[ 41 ] CVE-2016-4957\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4957\n\nAvailability\n============\n\nThis GLSA and any updates to it are available for viewing at\nthe Gentoo Security Website:\n\n https://security.gentoo.org/glsa/201607-15\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 2016 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\n\n. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA1\n\n[slackware-security] ntp (SSA:2016-120-01)\n\nNew ntp packages are available for Slackware 13.0, 13.1, 13.37, 14.0, 14.1,\nand -current to fix security issues. \n\n\nHere are the details from the Slackware 14.1 ChangeLog:\n+--------------------------+\npatches/packages/ntp-4.2.8p7-i486-1_slack14.1.txz: Upgraded. \n This release patches several low and medium severity security issues:\n CVE-2016-1551: Refclock impersonation vulnerability, AKA: refclock-peering\n CVE-2016-1549: Sybil vulnerability: ephemeral association attack,\n AKA: ntp-sybil - MITIGATION ONLY\n CVE-2016-2516: Duplicate IPs on unconfig directives will cause an assertion\n botch\n CVE-2016-2517: Remote configuration trustedkey/requestkey values are not\n properly validated\n CVE-2016-2518: Crafted addpeer with hmode \u003e 7 causes array wraparound with\n MATCH_ASSOC\n CVE-2016-2519: ctl_getitem() return value not always checked\n CVE-2016-1547: Validate crypto-NAKs, AKA: nak-dos\n CVE-2016-1548: Interleave-pivot - MITIGATION ONLY\n CVE-2015-7704: KoD fix: peer associations were broken by the fix for\n NtpBug2901, AKA: Symmetric active/passive mode is broken\n CVE-2015-8138: Zero Origin Timestamp Bypass, AKA: Additional KoD Checks\n CVE-2016-1550: Improve NTP security against buffer comparison timing attacks,\n authdecrypt-timing, AKA: authdecrypt-timing\n For more information, see:\n http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities\n http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7704\n http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8138\n http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1547\n http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1548\n http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1549\n http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1550\n http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1551\n http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2516\n http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2517\n http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2518\n http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2519\n (* Security fix *)\n+--------------------------+\n\n\nWhere to find the new packages:\n+-----------------------------+\n\nThanks to the friendly folks at the OSU Open Source Lab\n(http://osuosl.org) for donating FTP and rsync hosting\nto the Slackware project! :-)\n\nAlso see the \"Get Slack\" section on http://slackware.com for\nadditional mirror sites near you. \n\nUpdated package for Slackware 13.0:\nftp://ftp.slackware.com/pub/slackware/slackware-13.0/patches/packages/ntp-4.2.8p7-i486-1_slack13.0.txz\n\nUpdated package for Slackware x86_64 13.0:\nftp://ftp.slackware.com/pub/slackware/slackware64-13.0/patches/packages/ntp-4.2.8p7-x86_64-1_slack13.0.txz\n\nUpdated package for Slackware 13.1:\nftp://ftp.slackware.com/pub/slackware/slackware-13.1/patches/packages/ntp-4.2.8p7-i486-1_slack13.1.txz\n\nUpdated package for Slackware x86_64 13.1:\nftp://ftp.slackware.com/pub/slackware/slackware64-13.1/patches/packages/ntp-4.2.8p7-x86_64-1_slack13.1.txz\n\nUpdated package for Slackware 13.37:\nftp://ftp.slackware.com/pub/slackware/slackware-13.37/patches/packages/ntp-4.2.8p7-i486-1_slack13.37.txz\n\nUpdated package for Slackware x86_64 13.37:\nftp://ftp.slackware.com/pub/slackware/slackware64-13.37/patches/packages/ntp-4.2.8p7-x86_64-1_slack13.37.txz\n\nUpdated package for Slackware 14.0:\nftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/ntp-4.2.8p7-i486-1_slack14.0.txz\n\nUpdated package for Slackware x86_64 14.0:\nftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/ntp-4.2.8p7-x86_64-1_slack14.0.txz\n\nUpdated package for Slackware 14.1:\nftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/ntp-4.2.8p7-i486-1_slack14.1.txz\n\nUpdated package for Slackware x86_64 14.1:\nftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/ntp-4.2.8p7-x86_64-1_slack14.1.txz\n\nUpdated package for Slackware -current:\nftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/ntp-4.2.8p7-i586-1.txz\n\nUpdated package for Slackware x86_64 -current:\nftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/ntp-4.2.8p7-x86_64-1.txz\n\n\nMD5 signatures:\n+-------------+\n\nSlackware 13.0 package:\n785dc2ef5f80edb28dc781e261c3fe3f ntp-4.2.8p7-i486-1_slack13.0.txz\n\nSlackware x86_64 13.0 package:\n899421096b7b63e6cb269f8b01dfd875 ntp-4.2.8p7-x86_64-1_slack13.0.txz\n\nSlackware 13.1 package:\ndfd34cbd31be3572a2bcae7f59cdfd91 ntp-4.2.8p7-i486-1_slack13.1.txz\n\nSlackware x86_64 13.1 package:\n63c4b31736040e7950361cd0d7081c8b ntp-4.2.8p7-x86_64-1_slack13.1.txz\n\nSlackware 13.37 package:\ne760ae0c6cc3fa933e4d65d6995b0c84 ntp-4.2.8p7-i486-1_slack13.37.txz\n\nSlackware x86_64 13.37 package:\naa448523b27bb4fcccc2f46cf4d72bc5 ntp-4.2.8p7-x86_64-1_slack13.37.txz\n\nSlackware 14.0 package:\n3bc7e54a4164a4f91be996b5cf2e643e ntp-4.2.8p7-i486-1_slack14.0.txz\n\nSlackware x86_64 14.0 package:\n0f6ea4dae476709f26f5d0e33378576c ntp-4.2.8p7-x86_64-1_slack14.0.txz\n\nSlackware 14.1 package:\ndbe827ee7ece6ce5ca083cdd5960162c ntp-4.2.8p7-i486-1_slack14.1.txz\n\nSlackware x86_64 14.1 package:\n89f3edf183a6a9847d69b8349f98c901 ntp-4.2.8p7-x86_64-1_slack14.1.txz\n\nSlackware -current package:\n4018b86edd15e40e8c5e9f50d907dcff n/ntp-4.2.8p7-i586-1.txz\n\nSlackware x86_64 -current package:\n7dd6b64ba8c9fdaebb7becc1f5c3963d n/ntp-4.2.8p7-x86_64-1.txz\n\n\nInstallation instructions:\n+------------------------+\n\nUpgrade the package as root:\n# upgradepkg ntp-4.2.8p7-i486-1_slack14.1.txz\n\nThen, restart the NTP daemon:\n\n# sh /etc/rc.d/rc.ntpd restart\n\n\n+-----+\n\nSlackware Linux Security Team\nhttp://slackware.com/gpg-key\nsecurity@slackware.com\n\n+------------------------------------------------------------------------+\n| To leave the slackware-security mailing list: |\n+------------------------------------------------------------------------+\n| Send an email to majordomo@slackware.com with this text in the body of |\n| the email message: |\n| |\n| unsubscribe slackware-security |\n| |\n| You will get a confirmation message back containing instructions to |\n| complete the process. Please do not reply to this email address. |\n+------------------------------------------------------------------------+\n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1\n\niEYEARECAAYFAlcjyyAACgkQakRjwEAQIjPtSgCdEB0YxCNSAabWZwD+ICyXcqeg\n3rIAnRLKXh7P6QXP2t+va4PM0crnd3l4\n=VO7T\n-----END PGP SIGNATURE-----\n",
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