VulnerabilityModified
CVE-2018-20835
A vulnerability was found in tar-fs before 1.16.2.
HIGH 7.5EPSS 2.11%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A vulnerability was found in tar-fs before 1.16.2. An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 2.11% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- tar-fs project/tar-fs
- Source
- cve@mitre.org
References
- https://github.com/mafintosh/tar-fs/commit/06672828e6fa29ac8551b1b6f36c852a9a3c58a2Patch, Third Party Advisory
- https://github.com/mafintosh/tar-fs/compare/d590fc7...a35ce2fPatch, Third Party Advisory
- https://hackerone.com/reports/344595Exploit, Third Party Advisory
- https://github.com/mafintosh/tar-fs/commit/06672828e6fa29ac8551b1b6f36c852a9a3c58a2Patch, Third Party Advisory
- https://github.com/mafintosh/tar-fs/compare/d590fc7...a35ce2fPatch, Third Party Advisory
- https://hackerone.com/reports/344595Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.