CVE-2023-2603: Integer Overflow
First published: Tue May 16 2023(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/libcap | <0:2.48-5.el8_8 | 0:2.48-5.el8_8 |
| redhat/libcap | <0:2.48-9.el9_2 | 0:2.48-9.el9_2 |
| Libcap Project Libcap | <2.66-4 | |
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux | =9.0 | |
| Fedoraproject Fedora | =37 | |
| Fedoraproject Fedora | =38 | |
| Debian Debian Linux | =11.0 | |
| debian/libcap2 | <=1:2.44-1 | 1:2.66-4 1:2.66-5 |
| Libcap Project Libcap | <2.69 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2023-2603 https://nvd.nist.gov/vuln/detail/CVE-2023-2603 https://www.x41-dsec.de/static/reports/X41-libcap-Code-Review-2023-OSTIF-Final-Report.pdf
- https://bugzilla.redhat.com/show_bug.cgi?id=2209113
- https://access.redhat.com/errata/RHSA-2023:4524
- https://access.redhat.com/errata/RHSA-2023:5071
- https://access.redhat.com/security/cve/CVE-2023-2603
- https://www.x41-dsec.de/static/reports/X41-libcap-Code-Review-2023-OSTIF-Final-Report.pdf
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPEGCFMCN5KGCFX5Y2VTKR732TTD4ADW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ57ICDLMVYEREXQGZWL4GWI7FRJCRQT/
- https://sites.google.com/site/fullycapable/release-notes-for-libcap#h.iuvg7sbjg8pe
- https://www.openwall.com/lists/oss-security/2023/05/15/4
- https://git.kernel.org/pub/scm/libs/libcap/libcap.git/commit/?id=422bec25ae4a1ab03fd4d6f728695ed279173b18
- https://security-tracker.debian.org/tracker/CVE-2023-2603
- https://www.cve.org/CVERecord?id=CVE-2023-2603
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2210634
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2210635
- https://access.redhat.com/errata/RHSA-2023:7400
- https://access.redhat.com/errata/RHSA-2024:0436
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID of this issue is CVE-2023-2603.
What is the severity of CVE-2023-2603?
The severity of CVE-2023-2603 is high.
What is the affected software for CVE-2023-2603?
The affected software for CVE-2023-2603 is libcap2, libcap, Redhat Enterprise Linux, Fedora, and Debian Debian Linux.
How does CVE-2023-2603 occur?
CVE-2023-2603 occurs in the _libcap_strdup() function and can lead to an integer overflow if the input string is close to 4GiB.
Are there any fixes available for CVE-2023-2603?
Yes, there are fixes available for CVE-2023-2603. Please refer to the provided references for more information.
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