Bug#883929: libxfont: CVE-2017-16611: User can trigger reads on special files as root allowing for DoS

[Salvatore Bonaccorso <carnil@debian.org>]

Source: libxfont
Version: 1:2.0.1-1
Severity: important
Tags: patch security upstream

Hi,

the following vulnerability was published for libxfont.

CVE-2017-16611[0]:
| In libXfont before 1.5.4 and libXfont2 before 2.0.3, a local attacker
| can open (but not read) files on the system as root, triggering tape
| rewinds, watchdogs, or similar mechanisms that can be triggered by
| opening files.

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-2017-16611
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16611
[1] http://openwall.com/lists/oss-security/2017/11/28/7

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore