Improper input validation in C-Ares Project
CVE-2022-4904
A flaw was found in the c-ares package. The ares_set_sortlist is missing checks about the validity of the input string, which allows a possible arbitrary length stack overflow. This issue may cause a denial of service or a limited impact on confidentiality and integrity.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.
EPSS exploit prediction
EPSS: 0.012 (68.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- C-Ares Project
- Fedoraproject Fedora — versions 36
- Red Hat Enterprise Linux — versions 8.0, 9.0
- Red Hat Software Collections
- C-Ares
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- github.com/c-ares/c-ares/issues/496 (Exploit, Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202401-02 (vendor-advisory)
Frequently asked questions
- What is CVE-2022-4904?
- CVE-2022-4904 is a high-severity vulnerability in C-Ares Project, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2023-03-06.
- How severe is CVE-2022-4904?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2022-4904 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.