Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| X.Org | Libxfont | <= 1.5.2 |
Related Weaknesses (CWE)
References
- http://www.debian.org/security/2017/dsa-3995
- https://bugzilla.redhat.com/show_bug.cgi?id=1500693Issue Tracking
- https://bugzilla.suse.com/show_bug.cgi?id=1049692Issue Tracking
- https://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=672bb944311392e2415b39PatchThird Party Advisory
- https://security.gentoo.org/glsa/201711-08
- https://www.x.org/releases/individual/lib/libXfont2-2.0.2.tar.bz2Vendor Advisory
- http://www.debian.org/security/2017/dsa-3995
- https://bugzilla.redhat.com/show_bug.cgi?id=1500693Issue Tracking
- https://bugzilla.suse.com/show_bug.cgi?id=1049692Issue Tracking
- https://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=672bb944311392e2415b39PatchThird Party Advisory
- https://security.gentoo.org/glsa/201711-08
- https://www.x.org/releases/individual/lib/libXfont2-2.0.2.tar.bz2Vendor Advisory
FAQ
What is CVE-2017-13722?
CVE-2017-13722 is a vulnerability with a CVSS score of 7.1 (HIGH). 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 Xserv...
How severe is CVE-2017-13722?
CVE-2017-13722 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-13722?
Check the references section above for vendor advisories and patch information. Affected products include: X.Org Libxfont.