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Gentoo Linux: CVE-2023-31130: c-ares: Multiple Vulnerabilities

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Gentoo Linux: CVE-2023-31130: c-ares: Multiple Vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
05/25/2023
Created
10/11/2023
Added
10/10/2023
Modified
10/10/2023

Description

c-ares is an asynchronous resolver library. ares_inet_net_pton() is vulnerable to a buffer underflow for certain ipv6 addresses, in particular "0::00:00:00/2" was found to cause an issue. C-ares only uses this function internally for configuration purposes which would require an administrator to configure such an address via ares_set_sortlist(). However, users may externally use ares_inet_net_pton() for other purposes and thus be vulnerable to more severe issues. This issue has been fixed in 1.19.1.

Solution(s)

  • gentoo-linux-upgrade-net-dns-c-ares

References

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