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Debian LTS: Security Advisory for php-pear (DLA-2621-1)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

6.8

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

1 year ago

Modified

Modified

1 year ago

Summary

The remote host is missing an update for the 'php-pear' package(s) announced via the DLA-2621-1 advisory.

Insight

Insight

A vulnerability was discovered in php-pear, which provides core packages from the PHP Extension and Application Repository. Tar.php in Archive_Tar allows write operations with Directory Traversal due to inadequate checking of symbolic links, a related issue to CVE-2020-28948. An attacker could escalate privileges by overwriting files outside the extraction directory through a crafted .tar archive.

Affected Software

Affected Software

'php-pear' package(s) on Debian Linux.

Detection Method

Detection Method

Checks if a vulnerable package version is present on the target host.

Solution

Solution

For Debian 9 stretch, this problem has been fixed in version 1:1.10.1+submodules+notgz-9+deb9u3. We recommend that you upgrade your php-pear packages.

Common Vulnerabilities and Exposures (CVE)