Vulnerability CVE-2017-16611
Published: 2017-12-01

Description:
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.

Type:

CWE-59

 (Improper Link Resolution Before File Access ('Link Following'))

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
X -> Libxfont 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://security.cucumberlinux.com/security/details.php?id=155
http://www.openwall.com/lists/oss-security/2017/11/28/7
http://www.ubuntu.com/usn/USN-3500-1
https://bugzilla.suse.com/show_bug.cgi?id=1050459
https://marc.info/?l=freedesktop-xorg-announce&m=151188044218304&w=2
https://marc.info/?l=freedesktop-xorg-announce&m=151188049718337&w=2
https://security.gentoo.org/glsa/201801-10
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