CVE-2020-28949

Name of the Vulnerable Software and Affected Versions Archive Tar versions 1.4.10 and earlier

Description The issue is related to the deserialization of untrusted data in the Archive Tar class of the PEAR PHP library. It allows a remote attacker to overwrite protected files using a specially crafted .tar archive, exploiting the insufficient sanitization of special elements in the output. The vulnerability can be exploited through stream-wrapper attacks, such as using file:// to overwrite files, which are not fully addressed by the :// filename sanitization.

Recommendations For Archive Tar versions 1.4.10 and earlier, consider disabling the use of the Archive Tar class until a patch is available, or restrict access to the vulnerable Archive Tar component to minimize the risk of exploitation. Avoid using the file:// stream wrapper in the affected API endpoints until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.