CVE-2022-38178 (GCVE-0-2022-38178)
Vulnerability from cvelistv5 – Published: 2022-09-21 10:15 – Updated: 2025-05-28 15:23
VLAI
EPSS
VEX
Title
Memory leaks in EdDSA DNSSEC verification code
Summary
By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-28 15:22 UTC
CWE
- In BIND 9.9.12 -> 9.9.13, 9.10.7 -> 9.10.8, 9.11.3 -> 9.16.32, 9.18.0 -> 9.18.6, versions 9.11.4-S1 -> 9.11.37-S1, 9.16.8-S1 -> 9.16.32-S1 of the BIND Supported Preview Edition, and versions 9.19.0 -> 9.19.4 of the BIND 9.19 development branch, the DNSSEC verification code for the EdDSA algorithm leaks memory when there is a signature length mismatch.
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://kb.isc.org/docs/cve-2022-38178 | |
| http://www.openwall.com/lists/oss-security/2022/09/21/3 | mailing-list |
| https://www.debian.org/security/2022/dsa-5235 | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-list |
| https://security.gentoo.org/glsa/202210-25 | vendor-advisory |
| https://security.netapp.com/advisory/ntap-2022122… |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| ISC | BIND9 |
Affected:
Open Source Branch 9.9 9.9.12 through versions up to and including 9.9.13
Affected: Open Source Branch 9.10 9.10.7 through versions up to and including 9.10.8 Affected: Open Source Branches 9.11 through 9.16 9.11.3 through versions before 9.16.33 Affected: Open Source Branch 9.18 9.18.0 through versions before 9.18.7 Affected: Supported Preview Branch 9.11-S 9.11.4-S1 through versions up to and including 9.11.37-S1 Affected: Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.33-S1 Affected: Development Branch 9.19 9.19.0 through versions before 9.19.5 |
guessed |
Date Public
2022-09-21 00:00
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"id": "CVE-2022-38178",
"lastModified": "2024-11-21T07:15:56.780",
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"redhat_vex": {
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"current_release_date": "2025-11-21T11:36:27+00:00",
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"id": "CVE-2022-38178",
"initial_release_date": "2022-09-21T00:00:00+00:00",
"product_status:fixed": "1741",
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"source": "Red Hat CSAF VEX",
"status": "final",
"title": "bind: memory leaks in EdDSA DNSSEC verification code",
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"version": "3"
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"initial_release_date": "2023-02-15T03:24:09Z",
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"product_status:recommended": "1055",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2022-38178",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-38178.json",
"version": "40"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://kb.isc.org/docs/cve-2022-38178\", \"tags\": [\"x_transferred\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2022/09/21/3\", \"name\": \"[oss-security] 20220921 ISC has disclosed six vulnerabilities in BIND (CVE-2022-2795, CVE-2022-2881, CVE-2022-2906, CVE-2022-3080, CVE-2022-38177, CVE-2022-38178)\", \"tags\": [\"mailing-list\", \"x_transferred\"]}, {\"url\": \"https://www.debian.org/security/2022/dsa-5235\", \"name\": \"DSA-5235\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/\", \"name\": \"FEDORA-2022-ef038365de\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/\", \"name\": \"FEDORA-2022-8268735e06\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/\", \"name\": \"FEDORA-2022-b197d64471\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html\", \"name\": \"[debian-lts-announce] 20221005 [SECURITY] [DLA 3138-1] bind9 security update\", \"tags\": [\"mailing-list\", \"x_transferred\"]}, {\"url\": \"https://security.gentoo.org/glsa/202210-25\", \"name\": \"GLSA-202210-25\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20221228-0009/\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T10:45:52.980Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-38178\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-05-28T15:22:52.026415Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-401\", \"description\": \"CWE-401 Missing Release of Memory after Effective Lifetime\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-05-28T15:23:03.900Z\"}}], \"cna\": {\"title\": \"Memory leaks in EdDSA DNSSEC verification code\", \"source\": {\"discovery\": \"INTERNAL\"}, \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"ISC\", \"product\": \"BIND9\", \"versions\": [{\"status\": \"affected\", \"version\": \"Open Source Branch 9.9 9.9.12 through versions up to and including 9.9.13\"}, {\"status\": \"affected\", \"version\": \"Open Source Branch 9.10 9.10.7 through versions up to and including 9.10.8\"}, {\"status\": \"affected\", \"version\": \"Open Source Branches 9.11 through 9.16 9.11.3 through versions before 9.16.33\"}, {\"status\": \"affected\", \"version\": \"Open Source Branch 9.18 9.18.0 through versions before 9.18.7\"}, {\"status\": \"affected\", \"version\": \"Supported Preview Branch 9.11-S 9.11.4-S1 through versions up to and including 9.11.37-S1\"}, {\"status\": \"affected\", \"version\": \"Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.33-S1\"}, {\"status\": \"affected\", \"version\": \"Development Branch 9.19 9.19.0 through versions before 9.19.5\"}]}], \"exploits\": [{\"lang\": \"en\", \"value\": \"This flaw was discovered in internal testing. We are not aware of any active exploits.\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Upgrade to the patched release most closely related to your current version of BIND: BIND 9.16.33, BIND 9.18.7, BIND 9.19.5, or for BIND Supported Preview Edition (a special feature preview branch of BIND provided to eligible ISC support customers): BIND 9.16.33-S1.\"}], \"datePublic\": \"2022-09-21T00:00:00.000Z\", \"references\": [{\"url\": \"https://kb.isc.org/docs/cve-2022-38178\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2022/09/21/3\", \"name\": \"[oss-security] 20220921 ISC has disclosed six vulnerabilities in BIND (CVE-2022-2795, CVE-2022-2881, CVE-2022-2906, CVE-2022-3080, CVE-2022-38177, CVE-2022-38178)\", \"tags\": [\"mailing-list\"]}, {\"url\": \"https://www.debian.org/security/2022/dsa-5235\", \"name\": \"DSA-5235\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/\", \"name\": \"FEDORA-2022-ef038365de\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/\", \"name\": \"FEDORA-2022-8268735e06\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/\", \"name\": \"FEDORA-2022-b197d64471\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html\", \"name\": \"[debian-lts-announce] 20221005 [SECURITY] [DLA 3138-1] bind9 security update\", \"tags\": [\"mailing-list\"]}, {\"url\": \"https://security.gentoo.org/glsa/202210-25\", \"name\": \"GLSA-202210-25\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20221228-0009/\"}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"Disable the following algorithms in your configuration using the disable-algorithms option: ED25519, ED448. Note that this causes zones signed with these algorithms to be treated as insecure.\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"In BIND 9.9.12 -\u003e 9.9.13, 9.10.7 -\u003e 9.10.8, 9.11.3 -\u003e 9.16.32, 9.18.0 -\u003e 9.18.6, versions 9.11.4-S1 -\u003e 9.11.37-S1, 9.16.8-S1 -\u003e 9.16.32-S1 of the BIND Supported Preview Edition, and versions 9.19.0 -\u003e 9.19.4 of the BIND 9.19 development branch, the DNSSEC verification code for the EdDSA algorithm leaks memory when there is a signature length mismatch.\"}]}], \"providerMetadata\": {\"orgId\": \"404fd4d2-a609-4245-b543-2c944a302a22\", \"shortName\": \"isc\", \"dateUpdated\": \"2022-12-28T00:00:00.000Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2022-38178\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-28T15:23:06.572Z\", \"dateReserved\": \"2022-08-12T00:00:00.000Z\", \"assignerOrgId\": \"404fd4d2-a609-4245-b543-2c944a302a22\", \"datePublished\": \"2022-09-21T10:15:29.078Z\", \"assignerShortName\": \"isc\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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