CVE-2023-2603
Published: 15 May 2023
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.
Notes
Author | Note |
---|---|
alexmurray | also referenced as LCAP-CR-23-02 |
Priority
Status
Package | Release | Status |
---|---|---|
libcap2 Launchpad, Ubuntu, Debian |
trusty |
Released
(1:2.24-0ubuntu2+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
xenial |
Released
(1:2.24-12ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
bionic |
Released
(1:2.25-1.2ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
focal |
Released
(1:2.32-1ubuntu0.1)
|
|
jammy |
Released
(1:2.44-1ubuntu0.22.04.1)
|
|
kinetic |
Released
(1:2.44-1ubuntu0.22.10.1)
|
|
lunar |
Released
(1:2.66-3ubuntu2.1)
|
|
upstream |
Released
(1:2.66-4)
|
|
Patches: upstream: https://git.kernel.org/pub/scm/libs/libcap/libcap.git/commit/?id=422bec25ae4a1ab03fd4d6f728695ed279173b18 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2603
- https://www.openwall.com/lists/oss-security/2023/05/15/4
- https://www.x41-dsec.de/static/reports/X41-libcap-Code-Review-2023-OSTIF-Final-Report.pdf
- https://sites.google.com/site/fullycapable/release-notes-for-libcap#h.iuvg7sbjg8pe
- https://ubuntu.com/security/notices/USN-6166-1
- https://ubuntu.com/security/notices/USN-6166-2
- NVD
- Launchpad
- Debian