Bug 2230708 (CVE-2023-39976) - CVE-2023-39976 libqb: Buffer overflow in log_blackbox.c
Summary: CVE-2023-39976 libqb: Buffer overflow in log_blackbox.c
Keywords:
Status: NEW
Alias: CVE-2023-39976
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2230709 2230711 2230712 2236168 2236169 2236170 2236171 2236172
Blocks: 2230710
TreeView+ depends on / blocked
 
Reported: 2023-08-09 20:36 UTC by Pedro Sampaio
Modified: 2023-11-21 11:18 UTC (History)
4 users (show)

Fixed In Version: libqb 2.0.8
Doc Type: If docs needed, set a value
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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2023:5597 0 None None None 2023-10-10 15:32:37 UTC
Red Hat Product Errata RHSA-2023:6578 0 None None None 2023-11-07 08:19:36 UTC
Red Hat Product Errata RHSA-2023:7376 0 None None None 2023-11-21 11:18:07 UTC

Description Pedro Sampaio 2023-08-09 20:36:22 UTC 
log_blackbox.c in libqb before 2.0.8 allows a buffer overflow via long log messages because the header size is not considered.

References:

https://github.com/ClusterLabs/libqb/pull/490
https://github.com/ClusterLabs/libqb/commit/1bbaa929b77113532785c408dd1b41cd0521ffc8
https://github.com/ClusterLabs/libqb/compare/v2.0.7...v2.0.8
Comment 1 Pedro Sampaio 2023-08-09 20:36:38 UTC 
Created libqb tracking bugs for this issue:

Affects: fedora-all [bug 2230709]
Comment 5 errata-xmlrpc 2023-10-10 15:32:36 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Extended Update Support

Via RHSA-2023:5597 https://access.redhat.com/errata/RHSA-2023:5597
Comment 6 errata-xmlrpc 2023-11-07 08:19:35 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:6578 https://access.redhat.com/errata/RHSA-2023:6578
Comment 7 errata-xmlrpc 2023-11-21 11:18:06 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Extended Update Support

Via RHSA-2023:7376 https://access.redhat.com/errata/RHSA-2023:7376
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