Bug#956638: file-roller: CVE-2020-11736: do not follow external links when extracting files

[Salvatore Bonaccorso]

Source: file-roller
Version: 3.36.1-1
Severity: important
Tags: security upstream fixed-upstream

Hi,

The following vulnerability was published for file-roller.

CVE-2020-11736[0]:
| fr-archive-libarchive.c in GNOME file-roller through 3.36.1 allows
| Directory Traversal during extraction because it lacks a check of
| whether a file's parent is a symlink to a directory outside of the
| intended extraction location.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2020-11736
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11736
[1] https://gitlab.gnome.org/GNOME/file-roller/-/commit/21dfcdbfe258984db89fb65243a1a888924e45a0

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore