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)
EPSS: 0.012 (66.7th percentile) — read the EPSS interpretation.
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.
Affected products
- C-ares_project C-ares
- Fedoraproject Fedora — versions 36
- Redhat Enterprise_linux — versions 8.0, 9.0
- Redhat Software_collections
- N/a C-ares — versions unknown
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Exploit, Issue Tracking)
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (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.