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Debian LTS: Security Advisory for php-pear (DLA-2621-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
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.