Integer overflow in Libcap Project
CVE-2023-2603
A vulnerability was found in libcap. This issue occurs in the _libcap_strdup() function and can lead to an integer overflow if the input string is close to 4GiB.
Vulnerability class: Integer Overflow
EPSS: 0.006 (44.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Libcap_project Libcap
- Debian Debian_linux — versions 11.0
- Fedoraproject Fedora — versions 37, 38
- Redhat Enterprise_linux — versions 8.0, 9.0
- N/a Libcap — versions NA
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Technical Description, Exploit)
- secalert@redhat.com (Third Party Advisory, Issue Tracking)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, Broken Link)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, Broken Link)
Frequently asked questions
- What is CVE-2023-2603?
- CVE-2023-2603 is a high-severity vulnerability in Libcap Project, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2023-06-06.
- How severe is CVE-2023-2603?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-2603 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.