CVE-2021-32842
Summary
| CVE | CVE-2021-32842 |
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| State | PUBLIC |
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| Assigner | [email protected] |
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| Source Priority | CVE Program / NVD first with legacy fallback |
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| Published | 2022-01-26 21:15:00 UTC |
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| Updated | 2022-02-07 19:09:00 UTC |
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| Description | SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. Starting version 1.0.0 and prior to version 1.3.3, a check was added if the destination file is under a destination directory. However, it is not enforced that `_baseDirectory` ends with slash. If the _baseDirectory is not slash terminated like `/home/user/dir` it is possible to create a file with a name thats begins as the destination directory one level up from the directory, i.e. `/home/user/dir.sh`. Because of the file name and destination directory constraints, the arbitrary file creation impact is limited and depends on the use case. Version 1.3.3 fixed this vulnerability. |
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NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
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| Release v1.3.3 · icsharpcode/SharpZipLib · GitHub |
MISC |
github.com |
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| GHSL-2021-125: Path traversal in SharpZipLib - CVE-2021-32840, CVE-2021-32841, CVE-2021-32842 | GitHub Security Lab |
CONFIRM |
securitylab.github.com |
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| CVE Program record |
CVE.ORG |
www.cve.org |
canonical |
| NVD vulnerability detail |
NVD |
nvd.nist.gov |
canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 591178 Phoenix Contact FL Network Manager Path Traversal Vulnerability (CVE-2021-32840,CVE-2021-32842)
