CVE-2020-28949
PEAR Archive_Tar Deserialization of Untrusted Data Vulnerability
7.8
HIGH
CVSS 3.1
⚠ KEVEPSS 93.4%
Description
Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks, and thus any other stream-wrapper attack (such as file:// to overwrite files) can still succeed.
How to fix CVE-2020-28949
To remediate CVE-2020-28949, upgrade the affected package to a fixed version below.
- —upgrade to 1:1.10.9+submodules+notgz-1.1 or later
Is CVE-2020-28949 being exploited?
Yes — CVE-2020-28949 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (1)
- from 0, < 1:1.10.9+submodules+notgz-1.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |