CVE-2023-32067: Uncontrolled Resource Consumption
(updated )
c-ares is an asynchronous resolver library. c-ares is vulnerable to denial of service. If a target resolver sends a query, the attacker forges a malformed UDP packet with a length of 0 and returns them to the target resolver. The target resolver erroneously interprets the 0 length as a graceful shutdown of the connection. This issue has been patched in version 1.19.1.
References
- github.com/c-ares/c-ares/releases/tag/cares-1_19_1
- github.com/c-ares/c-ares/security/advisories/GHSA-9g78-jv2r-p7vc
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B5Z5XFNXTNPTCBBVXFDNZQVLLIE6VRBY/
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBFWILTA33LOSV23P44FGTQQIDRJHIY7/
- nvd.nist.gov/vuln/detail/CVE-2023-32067
Code Behaviors & Features
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