Vulnerability Details CVE-2021-32840
SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. Prior to version 1.3.3, a TAR file entry `../evil.txt` may be extracted in the parent directory of `destFolder`. This leads to arbitrary file write that may lead to code execution. The vulnerability was patched in version 1.3.3.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.018
EPSS Ranking 81.8%
CVSS Severity
CVSS v3 Score 7.3
CVSS v2 Score 7.5
References
- https://github.com/icsharpcode/SharpZipLib/commit/a0e96de70b5264f4c919b09253b1522bc7a221cc
- https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3
- https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/
- https://github.com/icsharpcode/SharpZipLib/commit/a0e96de70b5264f4c919b09253b1522bc7a221cc
- https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3
- https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/
Products affected by CVE-2021-32840
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cpe:2.3:a:sharpziplib_project:sharpziplib:-
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cpe:2.3:a:sharpziplib_project:sharpziplib:0.84.0.0
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cpe:2.3:a:sharpziplib_project:sharpziplib:0.85.0.0
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cpe:2.3:a:sharpziplib_project:sharpziplib:0.85.1.271
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cpe:2.3:a:sharpziplib_project:sharpziplib:0.85.2.329
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cpe:2.3:a:sharpziplib_project:sharpziplib:0.85.3.365
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cpe:2.3:a:sharpziplib_project:sharpziplib:0.85.4.369
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cpe:2.3:a:sharpziplib_project:sharpziplib:0.85.5.452
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cpe:2.3:a:sharpziplib_project:sharpziplib:0.86.0.518
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cpe:2.3:a:sharpziplib_project:sharpziplib:1.0.0
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cpe:2.3:a:sharpziplib_project:sharpziplib:1.1.0
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cpe:2.3:a:sharpziplib_project:sharpziplib:1.2.0
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cpe:2.3:a:sharpziplib_project:sharpziplib:1.3.0
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cpe:2.3:a:sharpziplib_project:sharpziplib:1.3.1
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cpe:2.3:a:sharpziplib_project:sharpziplib:1.3.2