CVE-2023-31124

Name: CVE-2023-31124
Creator: NVD / NIST
Published: 2023-05-25T22:15:09.68+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.7/10EPSS 0.94%

Last modified Jun 17, 2026

CVE-2023-31124 is a low-severity vulnerability rated 3.7/10 on the CVSS scale. 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. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

3.7/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS Probability

0.94%

56.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
C-Ares Project	C-Ares	< 1.19.1
Fedoraproject	Fedora	37
Fedoraproject	Fedora	38

References

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

Timeline

Published: May 25, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-31124?

How severe is CVE-2023-31124?

CVE-2023-31124 has a CVSS score of 3.7/10 (LOW severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.

How do I fix CVE-2023-31124?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-31124?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST