CVE-2023-31124
c-ares: AutoTools does not set CARES_RANDOM_FILE during cross compilation
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 22, 2023
Updated · June 28, 2026
Description
A flaw was found in c-ares. This issue occurs 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. As a result, it will downgrade to rand(), which could allow an attacker to utilize the lack of entropy by not using a CSPRNG.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE-330 · Use of Insufficiently Random Values