Bug 2092899 (CVE-2021-42613)

Summary: CVE-2021-42613 halibut: double free in cleanup_index() in index.c
Product: [Other] Security Response Reporter: Guilherme de Almeida Suckevicz <gsuckevi>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED UPSTREAM QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: jskarvad
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Last Closed: 2022-06-02 17:13:40 UTC Type: ---
Regression: --- Mount Type: ---
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Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2092900, 2092901    
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Description Guilherme de Almeida Suckevicz 2022-06-02 13:56:03 UTC
A double free in cleanup_index in index.c in Halibut 1.2 allows an attacker to cause a denial of service or possibly have other unspecified impact via a crafted text document.

Reference:
https://carteryagemann.com/halibut-case-study.html#poc-halibut-winhelp-df

Comment 1 Guilherme de Almeida Suckevicz 2022-06-02 13:56:18 UTC
Created halibut tracking bugs for this issue:

Affects: epel-all [bug 2092900]
Affects: fedora-all [bug 2092901]

Comment 2 Product Security DevOps Team 2022-06-02 17:13:39 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.