HOMEVULNERABILITIESCVE-2023-31124
LOW

CVE-2023-31124

CWE-330Published: May 25, 2023· Updated: Jun 17, 2026

3.7
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2023-31124 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected Vendors & Products

c-ares_project1 product(s)
c-ares
Fedora1 product(s)
fedora
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/c-ares/c-ares/releases/tag/cares-1_19_1
ADVISORYhttps://github.com/c-ares/c-ares/security/advisories/GHSA-54xr-f67r-4pc4
ADVISORYhttps://lists.fedoraproject.org/archives/list/[email protected]/message/B5Z5XFNXTNPTCBBVXFDNZQVLLIE6VRBY/
ADVISORYhttps://lists.fedoraproject.org/archives/list/[email protected]/message/UBFWILTA33LOSV23P44FGTQQIDRJHIY7/
ADVISORYhttps://security.gentoo.org/glsa/202310-09
ADVISORYhttps://github.com/c-ares/c-ares/releases/tag/cares-1_19_1
ADVISORYhttps://github.com/c-ares/c-ares/security/advisories/GHSA-54xr-f67r-4pc4
ADVISORYhttps://lists.fedoraproject.org/archives/list/[email protected]/message/B5Z5XFNXTNPTCBBVXFDNZQVLLIE6VRBY/
ADVISORYhttps://lists.fedoraproject.org/archives/list/[email protected]/message/UBFWILTA33LOSV23P44FGTQQIDRJHIY7/
ADVISORYhttps://security.gentoo.org/glsa/202310-09

All References (10)

→
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/[email protected]/message/B5Z5XFNXTNPTCBBVXFDNZQVLLIE6VRBY/Mailing List · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/[email protected]/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/[email protected]/message/B5Z5XFNXTNPTCBBVXFDNZQVLLIE6VRBY/Mailing List · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/[email protected]/message/UBFWILTA33LOSV23P44FGTQQIDRJHIY7/Mailing List · Third Party Advisory
→
https://security.gentoo.org/glsa/202310-09Third Party Advisory

Quick Facts

CVE IDCVE-2023-31124
CVSS Score3.7 / 10
SeverityLOW
WeaknessCWE-330
CISA KEVNo
Affected2 vendor(s)
PublishedMay 25, 2023

Related CVEs (CWE-330)

CVE-2016-5100
9.8
CVE-2017-16924
9.8
CVE-2025-4607
9.8
CVE-2022-25752
9.8
CVE-2021-36166
9.8
CVE-2019-9898
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-31124 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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