CVE-2023-31124

c-ares is an asynchronous resolver library. When cross-compiling c-ares and using the autotools build system, CARES_RANDOM_FILE will not be set, as seen when cross compiling aarch64 android. This will downgrade to using rand() as a fallback which could allow an attacker to take advantage of the lack of entropy by not using a CSPRNG. This issue was patched in version 1.19.1.

• CWE-330
• CWE-330

• https://github.com/c-ares/c-ares/releases/tag/cares-1_19_1Third Party Advisory
• https://github.com/c-ares/c-ares/security/advisories/GHSA-54xr-f67r-4pc4Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B5Z5XFNXTNPTCBBVXFDNZQVLLIE6VRBY/Mailing List, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBFWILTA33LOSV23P44FGTQQIDRJHIY7/Mailing List, Third Party Advisory
• https://security.gentoo.org/glsa/202310-09Third Party Advisory
• https://github.com/c-ares/c-ares/releases/tag/cares-1_19_1Third Party Advisory
• https://github.com/c-ares/c-ares/security/advisories/GHSA-54xr-f67r-4pc4Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B5Z5XFNXTNPTCBBVXFDNZQVLLIE6VRBY/Mailing List, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBFWILTA33LOSV23P44FGTQQIDRJHIY7/Mailing List, Third Party Advisory
• https://security.gentoo.org/glsa/202310-09Third Party Advisory

Published

May 25, 2023

Last Modified

Jun 17, 2026

Status

Modified

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