High severity · published Oct 11, 2017
CVE-2017-13722
In the pcfGetProperties function in bitmap/pcfread.c in libXfont through 1.5.2 and 2.x before 2.0.2, a missing boundary check (for PCF files) could be used by local attackers…
7.1
CVSS
0.4%
EPSS
No
On KEV
Description
In the pcfGetProperties function in bitmap/pcfread.c in libXfont through 1.5.2 and 2.x before 2.0.2, a missing boundary check (for PCF files) could be used by local attackers authenticated to an Xserver for a buffer over-read, for information disclosure or a crash of the X server.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libxfont · X.org
through 1.5.2; 2.0.0; 2.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-13722
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-13722
www.debian.org
http://www.debian.org/security/2017/dsa-3995
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1500693
Issue Tracking
https://bugzilla.suse.com/show_bug.cgi?id=1049692
Patch
https://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=672bb944311392e2415b39c0d63b1e1902905bcd
security.gentoo.org
https://security.gentoo.org/glsa/201711-08
Vendor Advisory
https://www.x.org/releases/individual/lib/libXfont2-2.0.2.tar.bz2
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