Home/CVE/A vulnerability was found in libcap. This issue occurs in the _libcap_strdup() function and can lead to an integer overf
CVE

CVE-2023-2603

A vulnerability was found in libcap. This issue occurs in the _libcap_strdup() function and can lead to an integer overf

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.

HIGH · CVSS 7.8 EPSS 0.01123
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-190Integer Overflow or Wraparound
CWE-190Integer Overflow or Wraparound
▤

Affected Products & Versions

4
libcap project libcap< 2.69
redhat enterprise linuxall versions
fedoraproject fedoraall versions
debian linuxall versions
⚠

Public Exploits & PoCs

1
pocwww.x41-dsec.de · X41-libcap-Code-Review-2023-OSTIF-Final-Report.pdfwww.x41-dsec.de
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Jun 2023 · 08:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

12
suse-csafopenSUSE-SU-2024:12945-1
suse-csafSUSE-SU-2023:2956-1
suse-csafSUSE-SU-2023:2764-1
suse-csafSUSE-SU-2023:2765-1
usnUSN-6166-2
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=2209113Issue TrackingThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ57ICDLMVYEREXQGZWL4GWI7FRJCRQT/Broken LinkThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPEGCFMCN5KGCFX5Y2VTKR732TTD4ADW/Broken LinkThird Party Advisory
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