VulnerabilityModified
CVE-2021-38511
When symlinks are present in a TAR archive, extraction can create arbitrary directories via .. traversal.
HIGH 7.5EPSS 1.39%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in the tar crate before 0.4.36 for Rust. When symlinks are present in a TAR archive, extraction can create arbitrary directories via .. traversal.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 1.39% probability · 71th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-59
- Affected
- tar project/tar
- Source
- cve@mitre.org
References
- https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tar/RUSTSEC-2021-0080.mdExploit, Third Party Advisory
- https://rustsec.org/advisories/RUSTSEC-2021-0080.htmlExploit, Third Party Advisory
- https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tar/RUSTSEC-2021-0080.mdExploit, Third Party Advisory
- https://rustsec.org/advisories/RUSTSEC-2021-0080.htmlExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.