CVE-2020-18972
NixOS vulnerability analysis and mitigation

Overview

Exposure of Sensitive Information to an Unauthorized Actor in PoDoFo v0.9.6 allows attackers to obtain sensitive information via 'IsNextToken' in the component 'src/base/PdfToenizer.cpp'. The vulnerability was discovered in 2020 and assigned identifier CVE-2020-18972 (NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 5.5 MEDIUM (Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N). The issue stems from a memory leakage bug in the IsNextToken function located in src/base/PdfTokenizer.cpp. The vulnerability specifically affects the memory handling within the PDF parsing functionality (SourceForge Issue).

Impact

The vulnerability can lead to the exposure of sensitive information to unauthorized actors. When exploited, it allows attackers to obtain sensitive information through the affected component, potentially compromising the confidentiality of processed PDF documents (NVD).

Mitigation and workarounds

The issue has been addressed in later versions of PoDoFo. Users are recommended to upgrade to a patched version of the software. A fix was proposed and committed in SVN revision 1993, which addresses the memory leakage issue (SourceForge Issue).

Additional resources


SourceThis report was generated using AI

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