CVE-2022-38178 (GCVE-0-2022-38178)

Vulnerability from cvelistv5 – Published: 2022-09-21 10:15 – Updated: 2025-05-28 15:23
VLAI
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)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
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
isc
References
Impacted products
Vendor Product Version
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
Create a notification for this product.
Date Public
2022-09-21 00:00
Show details on NVD website
To clipboard 

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    "vulnrichment": {
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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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Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.