Vulnerability CVE-2023-2911: Information
Description
If the `recursive-clients` quota is reached on a BIND 9 resolver configured with both `stale-answer-enable yes;` and `stale-answer-client-timeout 0;`, a sequence of serve-stale-related lookups could cause `named` to loop and terminate unexpectedly due to a stack overflow. This issue affects BIND 9 versions 9.16.33 through 9.16.41, 9.18.7 through 9.18.15, 9.16.33-S1 through 9.16.41-S1, and 9.18.11-S1 through 9.18.15-S1.
Severity: HIGH (7.5) Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Fixed packages
Package name | Branch | Fixed in version | Version from repository | Errata ID | Task # | State |
---|---|---|---|---|---|---|
bind | sisyphus | 9.16.42-alt1 | 9.18.27-alt1 | ALT-PU-2023-2044-1 | 323428 | Fixed |
bind | sisyphus_e2k | 9.16.42-alt1 | 9.18.27-alt1 | ALT-PU-2023-3961-1 | - | Fixed |
bind | sisyphus_riscv64 | 9.16.42-alt1 | 9.18.27-alt1 | ALT-PU-2023-4000-1 | - | Fixed |
bind | p10 | 9.16.42-alt1 | 9.16.48-alt1 | ALT-PU-2023-2102-1 | 323491 | Fixed |
bind | p10_e2k | 9.16.42-alt1 | 9.16.48-alt1 | ALT-PU-2023-4058-1 | - | Fixed |
bind | c10f1 | 9.16.44-alt0.c10.1 | 9.16.48-alt0.c10f2.1 | ALT-PU-2024-1988-2 | 340105 | Fixed |
bind | p11 | 9.16.42-alt1 | 9.18.27-alt1 | ALT-PU-2023-2044-1 | 323428 | Fixed |
References to Advisories, Solutions, and Tools
Hyperlink | Resource |
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https://kb.isc.org/docs/cve-2023-2911 |
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http://www.openwall.com/lists/oss-security/2023/06/21/6 |
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3K6AJK7RRSR53HRF5GGKPA6PDUDWOD2/ |
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https://www.debian.org/security/2023/dsa-5439 |
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SEFCEVCTYEMKTWA7V7EYPI5YQQ4JWDLI/ |
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https://security.netapp.com/advisory/ntap-20230703-0010/ |
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