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Vulnerability DatabaseCVE-2022-38234
CVE-2022-38234:
NixOS vulnerability analysis and mitigation
Overview
XPDF commit ffaf11c was discovered to contain a segmentation violation vulnerability (CVE-2022-38234) in the Lexer::getObj(Object*) function located in /xpdf/Lexer.cc. The vulnerability was disclosed on August 16, 2022, affecting XPDF software (AttackerKB).
Technical details
The vulnerability is triggered through a segmentation violation in the Lexer::getObj(Object*) function within the /xpdf/Lexer.cc file. The issue manifests as a read memory access error on an unknown address, which can lead to a crash of the application. The vulnerability requires local access and user interaction to be exploited (AttackerKB).
Impact
When successfully exploited, the vulnerability can cause a denial of service condition through application crash due to segmentation violation. The impact is primarily limited to the availability of the XPDF software (GitHub Issue).
Exploitability
The vulnerability requires local access and user interaction to be exploited. A proof of concept exists demonstrating the crash through the command './pdftops -q [crash sample] /dev/null' (GitHub Issue).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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