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.
Published 2023-05-25 22:15:10
Updated 2023-10-31 16:05:57
Source GitHub, Inc.
View at NVD,   CVE.org

Products affected by CVE-2023-31124

Exploit prediction scoring system (EPSS) score for CVE-2023-31124

0.13%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-31124

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.7
LOW CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
2.2
1.4
NIST
3.7
LOW CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
2.2
1.4
GitHub, Inc.

CWE ids for CVE-2023-31124

  • The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.
    Assigned by:
    • nvd@nist.gov (Secondary)
    • security-advisories@github.com (Primary)

References for CVE-2023-31124

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