cve-2023-2828
Vulnerability from cvelistv5
Published
2023-06-21 16:26
Modified
2024-12-06 18:36
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Every `named` instance configured to run as a recursive resolver maintains a cache database holding the responses to the queries it has recently sent to authoritative servers. The size limit for that cache database can be configured using the `max-cache-size` statement in the configuration file; it defaults to 90% of the total amount of memory available on the host. When the size of the cache reaches 7/8 of the configured limit, a cache-cleaning algorithm starts to remove expired and/or least-recently used RRsets from the cache, to keep memory use below the configured limit. It has been discovered that the effectiveness of the cache-cleaning algorithm used in `named` can be severely diminished by querying the resolver for specific RRsets in a certain order, effectively allowing the configured `max-cache-size` limit to be significantly exceeded. This issue affects BIND 9 versions 9.11.0 through 9.16.41, 9.18.0 through 9.18.15, 9.19.0 through 9.19.13, 9.11.3-S1 through 9.16.41-S1, and 9.18.11-S1 through 9.18.15-S1.
References
security-officer@isc.orghttp://www.openwall.com/lists/oss-security/2023/06/21/6Mailing List, Patch, Third Party Advisory
security-officer@isc.orghttps://kb.isc.org/docs/cve-2023-2828Vendor Advisory
security-officer@isc.orghttps://lists.debian.org/debian-lts-announce/2023/07/msg00021.htmlMailing List, Third Party Advisory
security-officer@isc.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SEFCEVCTYEMKTWA7V7EYPI5YQQ4JWDLI/Mailing List, Third Party Advisory
security-officer@isc.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3K6AJK7RRSR53HRF5GGKPA6PDUDWOD2/Mailing List, Third Party Advisory
security-officer@isc.orghttps://security.netapp.com/advisory/ntap-20230703-0010/Third Party Advisory
security-officer@isc.orghttps://www.debian.org/security/2023/dsa-5439Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/06/21/6Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://kb.isc.org/docs/cve-2023-2828Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/07/msg00021.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SEFCEVCTYEMKTWA7V7EYPI5YQQ4JWDLI/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3K6AJK7RRSR53HRF5GGKPA6PDUDWOD2/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20230703-0010/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2023/dsa-5439Third Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

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  }
}


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