CVE-2022-1586
Published: August 31, 2023Last modified: August 31, 2023
Description
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file. This involves a unicode property matching issue in JIT-compiled regular expressions. The issue occurs because the character was not fully read in case-less matching within JIT.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.1 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | pcre2 | Not affected (10.42-r0) |
| Stream | pcre2 | Not affected (10.42-r1) |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2077976%2C
- https://bugzilla.redhat.com/show_bug.cgi?id=2077976,
- https://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a%2C
- https://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a,
- https://github.com/PCRE2Project/pcre2/commit/d4fa336fbcc388f89095b184ba6d99422cfc676c
- https://lists.debian.org/debian-lts-announce/2023/03/msg00014.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DWNG2NS3GINO6LQYUVC4BZLUQPJ3DYHA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXINO3KKI5DICQ45E2FKD6MKVMGJLEKJ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KAX7767BCUFC7JMDGP7GOQ5GIZCAUGBB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M2GLQQUEY5VFM57CFYXVIFOXN2HUZPDM/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/DWNG2NS3GINO6LQYUVC4BZLUQPJ3DYHA/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/JXINO3KKI5DICQ45E2FKD6MKVMGJLEKJ/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/KAX7767BCUFC7JMDGP7GOQ5GIZCAUGBB/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/M2GLQQUEY5VFM57CFYXVIFOXN2HUZPDM/
- https://security.netapp.com/advisory/ntap-20221028-0009/