7.1high

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 file…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.1
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 34%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

0.40% probability of exploitation in the next 30 days, higher than 34% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.1CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
NVD2.03.6AV:L/AC:L/Au:N/C:P/I:N/A:P

Classification

Weakness

References

  • cgit.freedesktop.org /xorg/lib/libXfont/commit/?id=672bb944311392e2415b39c0d63b1e1902905bcd · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2017/dsa-3995 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • x.org /releases/individual/lib/libXfont2-2.0.2.tar.bz2 · x_refsource_CONFIRM, x_transferred
  • security.gentoo.org /glsa/201711-08 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1500693 · x_refsource_CONFIRM, x_transferred
  • bugzilla.suse.com /show_bug.cgi?id=1049692 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.