[Pkg-utopia-maintainers] Bug#989429: policykit-1: CVE-2021-3560: local privilege escalation using polkit_system_bus_name_get_creds_sync()

[Salvatore Bonaccorso]

Source: policykit-1
Version: 0.105-30
Severity: grave
Tags: security upstream
Justification: user security hole
Forwarded: https://gitlab.freedesktop.org/polkit/polkit/-/issues/140
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>
Control: found -1 0.105-26

Hi,

The following vulnerability was published for policykit-1.

CVE-2021-3560[0]:
| local privilege escalation using
| polkit_system_bus_name_get_creds_sync()

The issue was introduced upstream with [2] in 0.113 but the
introducing change is in Debian as well (and Ubuntu[3]).

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-2021-3560
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3560
[1] https://gitlab.freedesktop.org/polkit/polkit/-/issues/140
[2] https://gitlab.freedesktop.org/polkit/polkit/-/commit/bfa5036bfb93582c5a87c44b847957479d911e38
[3] https://ubuntu.com/security/notices/USN-4980-1
[4] https://bugzilla.redhat.com/show_bug.cgi?id=1961710

Can you fix this targetted please for bullseye and ask the release
team for an unblock?

Regards,
Salvatore