Archive Tar
CVE-2020-28949
HIGH
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionNVD
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.
AnalysisAI
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. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
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. Affected products include: Php Archive Tar, Debian Debian Linux, Fedoraproject Fedora, Drupal. Version information: through 1.4.10.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
More in Archive Tar
View allArchive_Tar through 1.4.10 allows an unserialization attack because phar: is blocked but PHAR: is not blocked. Rated hig
In Archive_Tar before 1.4.14, symlinks can refer to targets outside of the extracted archive, a different vulnerability
Same technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today