GHSA-gfjr-3jmm-4g9v

ghsaUSosv

Symlink Arbitrary File Overwrite in tar

view advisory published 2017-10-24Licence: CC-BY-4.0

Versions of `tar` prior to 2.0.0 are affected by an arbitrary file write vulnerability. The vulnerability occurs because `tar` does not verify that extracted symbolic links to not resolve to targets outside of the extraction root directory. ## Recommendation Update to version 2.0.0 or later

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2015-8860US	high7.5	4.00% (90th)	—	2017-01-23
The tar package before 2.0.0 for Node.js allows remote attackers to write to arbitrary files via a symlink attack in an archive.

references

External citations — patches, advisories, analysis.

http://www.openwall.com/lists/oss-security/2016/04/20/11WEB
https://github.com/advisories/GHSA-gfjr-3jmm-4g9vADVISORY
https://github.com/npm/npmPACKAGE
https://github.com/npm/npm/releases/tag/v2.7.5WEB
https://nvd.nist.gov/vuln/detail/CVE-2015-8860ADVISORY
https://www.npmjs.com/advisories/57WEB

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