Path Traversal in SharpZipLib
High severity
GitHub Reviewed
Published
to the GitHub Advisory Database
•
Updated
Description
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.
References
Published by the National Vulnerability Database
Reviewed
Published to the GitHub Advisory Database
Last updated
Severity
High
/ 10
CVSS v3 base metrics
Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
High
Availability
Low
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
EPSS score
(78th percentile)
Weaknesses
CVE ID
CVE-2021-32840
GHSA ID
GHSA-m22m-h4rf-pwq3
Source code
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