CVE-2023-47038
Published: November 27, 2023Last modified: November 27, 2023
Description
A vulnerability was found in perl. This issue occurs when a crafted regular expression is compiled by perl, which can allow an attacker controlled byte buffer overflow in a heap allocated buffer.
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 |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | perl | Fixed (5.36.2-r0) |
| Stream | perl | Fixed (5.38.1-r0) |
References
- https://access.redhat.com/errata/RHSA-2024:2228
- https://access.redhat.com/errata/RHSA-2024:3128
- https://access.redhat.com/security/cve/CVE-2023-47038
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746
- https://bugzilla.redhat.com/show_bug.cgi?id=2249523
- https://lists.fedoraproject.org/archives/list/[email protected]/message/GNEEWAACXQCEEAKSG7XX2D5YDRWLCIZJ/
- https://perldoc.perl.org/perl5382delta#CVE-2023-47038-Write-past-buffer-end-via-illegal-user-defined-Unicode-property