High severity · published Aug 26, 2019
CVE-2018-20990
An issue was discovered in the tar crate before 0.4.16 for Rust
7.5
CVSS
1.7%
EPSS
No
On KEV
Description
An issue was discovered in the tar crate before 0.4.16 for Rust. Arbitrary file overwrite can occur via a symlink or hardlink in a TAR archive.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TA
Tar · Tar Project
before 0.4.16 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20990
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20990
Third Party Advisory
https://rustsec.org/advisories/RUSTSEC-2018-0002.html
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