Bug 2046255 (CVE-2021-45343)

Summary: CVE-2021-45343 librecad: NULL pointer dereference in the HATCH handling of libdxfrw can lead to DoS via a crafted DXF document
Product: [Other] Security Response Reporter: Guilherme de Almeida Suckevicz <gsuckevi>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED UPSTREAM QA Contact:
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Priority: medium    
Version: unspecifiedCC: hobbes1069, spotrh
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Last Closed: 2022-01-26 14:02:10 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2046256, 2046257    
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Description Guilherme de Almeida Suckevicz 2022-01-26 13:27:18 UTC
In LibreCAD 2.2.0, a NULL pointer dereference in the HATCH handling of libdxfrw allows an attacker to crash the application using a crafted DXF document.

Reference:
https://github.com/LibreCAD/LibreCAD/issues/1468

Comment 1 Guilherme de Almeida Suckevicz 2022-01-26 13:27:35 UTC
Created librecad tracking bugs for this issue:

Affects: epel-7 [bug 2046257]
Affects: fedora-all [bug 2046256]

Comment 2 Product Security DevOps Team 2022-01-26 14:02:09 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.