Bug 2092902 (CVE-2021-42614) - CVE-2021-42614 halibut: use-after-free in info_width_internal() in bk_info.c
Summary: CVE-2021-42614 halibut: use-after-free in info_width_internal() in bk_info.c
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-42614
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2092903 2092904
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-06-02 13:57 UTC by Guilherme de Almeida Suckevicz
Modified: 2022-06-02 17:42 UTC (History)
1 user (show)

Fixed In Version:
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Last Closed: 2022-06-02 17:42:47 UTC
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Description Guilherme de Almeida Suckevicz 2022-06-02 13:57:51 UTC 
A use after free in info_width_internal in bk_info.c in Halibut 1.2 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted text document.

Reference:
https://carteryagemann.com/halibut-case-study.html#poc-halibut-info-uaf
Comment 1 Guilherme de Almeida Suckevicz 2022-06-02 13:58:07 UTC 
Created halibut tracking bugs for this issue:

Affects: epel-all [bug 2092903]
Affects: fedora-all [bug 2092904]
Comment 2 Product Security DevOps Team 2022-06-02 17:42:45 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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