CVE-2017-13722
published 2017-10-11CVE-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…
PriorityP426high7.1CVSS 3.0
AVLACLPRLUINSUCHINAH
EPSS
0.40%
31.4th percentile
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.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | libxfont | < libxfont 1:2.0.1-4 (bookworm) | libxfont 1:2.0.1-4 (bookworm) |
| x.org | libxfont | <= 1.5.2 | — |
| x.org | libxfont | — | — |
| x.org | libxfont | — | — |
| x.org | libxfont | >= 0 < 1:2.0.1-4 | 1:2.0.1-4 |
| x.org | libxfont | >= 0 < 1:2.0.1-4 | 1:2.0.1-4 |
| x.org | libxfont | >= 0 < 1:2.0.1-4 | 1:2.0.1-4 |
| x.org | libxfont | >= 0 < 1:2.0.1-4 | 1:2.0.1-4 |
| x.org | libxfont | >= 0 < 1:1.4.7-1ubuntu0.3 | 1:1.4.7-1ubuntu0.3 |
| x.org | libxfont | >= 0 < 1:1.5.1-1ubuntu0.16.04.3 | 1:1.5.1-1ubuntu0.16.04.3 |
CVSS provenance
nvdv3.07.1HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
nvdv2.03.6LOWAV:L/AC:L/Au:N/C:P/I:N/A:P
osv7.1HIGH
vendor_debian7.1HIGH
vendor_redhat7.1HIGH
vendor_ubuntu7.1HIGH
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Ubuntu
libXfont vulnerabilities
vendor_ubuntu·2017-10-10·CVSS 7.1
CVE-2017-13720 [HIGH] libXfont vulnerabilities
Title: libXfont vulnerabilities
Summary: Several security issues were fixed in libXfont.
It was discovered that libXfont incorrectly handled certain patterns in
PatternMatch. A local attacker could use this issue to cause libXfont to
crash, resulting in a denial of service, or possibly obtain sensitive
information. (CVE-2017-13720)
It was discovered that libXfont incorrectly handled certain malformed PCF
files. A local attacker could use this issue to cause libXfont to crash,
resulting in a denial of service, or possibly obtain sensitive information.
(CVE-2017-13722)
Instructions: After a standard system update you need to reboot your computer to make
all the necessary changes.
Red Hat
libXfont: Insufficient input validation in pcfread.c
vendor_redhat·2017-10-04·CVSS 7.1
CVE-2017-13722 [HIGH] CWE-20 libXfont: Insufficient input validation in pcfread.c
libXfont: Insufficient input validation in pcfread.c
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.
Package: libXfont (Red Hat Enterprise Linux 5) - Will not fix
Package: libXfont (Red Hat Enterprise Linux 6) - Will not fix
Package: libXfont (Red Hat Enterprise Linux 7) - Will not fix
Package: libXfont2 (Red Hat Enterprise Linux 7) - Will not fix
Debian
CVE-2017-13722: libxfont - In the pcfGetProperties function in bitmap/pcfread.c in libXfont through 1.5.2 a...
vendor_debian·2017·CVSS 7.1
CVE-2017-13722 [HIGH] CVE-2017-13722: libxfont - In the pcfGetProperties function in bitmap/pcfread.c in libXfont through 1.5.2 a...
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.
Scope: local
bookworm: resolved (fixed in 1:2.0.1-4)
bullseye: resolved (fixed in 1:2.0.1-4)
forky: resolved (fixed in 1:2.0.1-4)
sid: resolved (fixed in 1:2.0.1-4)
trixie: resolved (fixed in 1:2.0.1-4)
GHSA
GHSA-jv27-9g7q-7pqh: In the pcfGetProperties function in bitmap/pcfread
ghsa_unreviewed·2022-05-17
CVE-2017-13722 [HIGH] CWE-125 GHSA-jv27-9g7q-7pqh: In the pcfGetProperties function in bitmap/pcfread
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.
OSV
CVE-2017-13722: In the pcfGetProperties function in bitmap/pcfread
osv·2017-10-11·CVSS 7.1
CVE-2017-13722 [HIGH] CVE-2017-13722: In the pcfGetProperties function in bitmap/pcfread
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.
OSV
libxfont, libxfont1, libxfont2 vulnerabilities
osv·2017-10-10·CVSS 7.1
CVE-2017-13720 [HIGH] libxfont, libxfont1, libxfont2 vulnerabilities
libxfont, libxfont1, libxfont2 vulnerabilities
It was discovered that libXfont incorrectly handled certain patterns in
PatternMatch. A local attacker could use this issue to cause libXfont to
crash, resulting in a denial of service, or possibly obtain sensitive
information. (CVE-2017-13720)
It was discovered that libXfont incorrectly handled certain malformed PCF
files. A local attacker could use this issue to cause libXfont to crash,
resulting in a denial of service, or possibly obtain sensitive information.
(CVE-2017-13722)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2017-13722 libXfont: Insufficient input validation in pcfread.c
bugzilla·2017-10-11·CVSS 7.1
CVE-2017-13722 [HIGH] CVE-2017-13722 libXfont: Insufficient input validation in pcfread.c
CVE-2017-13722 libXfont: Insufficient input validation in pcfread.c
It was discovered that libXfont incorrectly handled certain malformed PCF
files. A local attacker could use this issue to cause libXfont to crash,
resulting in a denial of service, or possibly obtain sensitive information.
Upstream patch:
https://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=672bb944311392e2415b39c0d63b1e1902905bcd
Discussion:
Created libXfont tracking bugs for this issue:
Affects: fedora-all [bug 1500695]
Created libXfont2 tracking bugs for this issue:
Affects: fedora-all [bug 1500694]
Bugzilla
CVE-2017-13720 CVE-2017-13722 libXfont: various flaws [fedora-all]
bugzilla·2017-10-11·CVSS 7.1
CVE-2017-13720 [HIGH] CVE-2017-13720 CVE-2017-13722 libXfont: various flaws [fedora-all]
CVE-2017-13720 CVE-2017-13722 libXfont: various flaws [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versions of Fedora.
Bugzilla
CVE-2017-13720 CVE-2017-13722 libXfont2: various flaws [fedora-all]
bugzilla·2017-10-11·CVSS 7.1
CVE-2017-13720 [HIGH] CVE-2017-13720 CVE-2017-13722 libXfont2: various flaws [fedora-all]
CVE-2017-13720 CVE-2017-13722 libXfont2: various flaws [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versions of Fedora
http://www.debian.org/security/2017/dsa-3995https://bugzilla.redhat.com/show_bug.cgi?id=1500693https://bugzilla.suse.com/show_bug.cgi?id=1049692https://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=672bb944311392e2415b39c0d63b1e1902905bcdhttps://security.gentoo.org/glsa/201711-08https://www.x.org/releases/individual/lib/libXfont2-2.0.2.tar.bz2http://www.debian.org/security/2017/dsa-3995https://bugzilla.redhat.com/show_bug.cgi?id=1500693https://bugzilla.suse.com/show_bug.cgi?id=1049692https://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=672bb944311392e2415b39c0d63b1e1902905bcdhttps://security.gentoo.org/glsa/201711-08https://www.x.org/releases/individual/lib/libXfont2-2.0.2.tar.bz2
2017-10-11
Published