Ubuntu Security Notice 1403-1 - Mateusz Jurczyk discovered that FreeType did not correctly handle certain malformed BDF font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash. Mateusz Jurczyk discovered that FreeType did not correctly handle certain malformed BDF font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash. Mateusz Jurczyk discovered that FreeType did not correctly handle certain malformed TrueType font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash. Various other issues were also addressed.
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Ubuntu Security Notice USN-1403-1
March 23, 2012
freetype vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS
- Ubuntu 8.04 LTS
Summary:
FreeType could be made to crash or run programs as your login if it opened a
specially crafted font file.
Software Description:
- freetype: FreeType 2 is a font engine library
Details:
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed BDF font files. If a user were tricked into using a specially crafted
font file, a remote attacker could cause FreeType to crash. (CVE-2012-1126)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed BDF font files. If a user were tricked into using a specially crafted
font file, a remote attacker could cause FreeType to crash. (CVE-2012-1127)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed TrueType font files. If a user were tricked into using a specially
crafted font file, a remote attacker could cause FreeType to crash.
(CVE-2012-1128)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed Type42 font files. If a user were tricked into using a specially
crafted font file, a remote attacker could cause FreeType to crash.
(CVE-2012-1129)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed PCF font files. If a user were tricked into using a specially crafted
font file, a remote attacker could cause FreeType to crash. (CVE-2012-1130)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed TrueType font files. If a user were tricked into using a specially
crafted font file, a remote attacker could cause FreeType to crash.
(CVE-2012-1131)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed Type1 font files. If a user were tricked into using a specially
crafted font file, a remote attacker could cause FreeType to crash.
(CVE-2012-1132)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed BDF font files. If a user were tricked into using a specially crafted
font file, a remote attacker could cause FreeType to crash or possibly execute
arbitrary code with user privileges. (CVE-2012-1133)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed Type1 font files. If a user were tricked into using a specially
crafted font file, a remote attacker could cause FreeType to crash or possibly
execute arbitrary code with user privileges. (CVE-2012-1134)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed TrueType font files. If a user were tricked into using a specially
crafted font file, a remote attacker could cause FreeType to crash.
(CVE-2012-1135)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed BDF font files. If a user were tricked into using a specially crafted
font file, a remote attacker could cause FreeType to crash or possibly execute
arbitrary code with user privileges. (CVE-2012-1136)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed BDF font files. If a user were tricked into using a specially crafted
font file, a remote attacker could cause FreeType to crash. (CVE-2012-1137)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed TrueType font files. If a user were tricked into using a specially
crafted font file, a remote attacker could cause FreeType to crash.
(CVE-2012-1138)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed BDF font files. If a user were tricked into using a specially crafted
font file, a remote attacker could cause FreeType to crash. (CVE-2012-1139)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed PostScript font files. If a user were tricked into using a specially
crafted font file, a remote attacker could cause FreeType to crash.
(CVE-2012-1140)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed BDF font files. If a user were tricked into using a specially crafted
font file, a remote attacker could cause FreeType to crash. (CVE-2012-1141)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed Windows FNT/FON font files. If a user were tricked into using a
specially crafted font file, a remote attacker could cause FreeType to crash.
(CVE-2012-1142)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed font files. If a user were tricked into using a specially crafted
font file, a remote attacker could cause FreeType to crash. (CVE-2012-1143)
Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed TrueType font files. If a user were tricked into using a specially
crafted font file, a remote attacker could cause FreeType to crash or possibly
execute arbitrary code with user privileges. (CVE-2012-1144)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 11.10:
libfreetype6 2.4.4-2ubuntu1.2
Ubuntu 11.04:
libfreetype6 2.4.4-1ubuntu2.3
Ubuntu 10.10:
libfreetype6 2.4.2-2ubuntu0.4
Ubuntu 10.04 LTS:
libfreetype6 2.3.11-1ubuntu2.6
Ubuntu 8.04 LTS:
libfreetype6 2.3.5-1ubuntu4.8.04.9
After a standard system update you need to restart your session to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1403-1
CVE-2012-1126, CVE-2012-1127, CVE-2012-1128, CVE-2012-1129,
CVE-2012-1130, CVE-2012-1131, CVE-2012-1132, CVE-2012-1133,
CVE-2012-1134, CVE-2012-1135, CVE-2012-1136, CVE-2012-1137,
CVE-2012-1138, CVE-2012-1139, CVE-2012-1140, CVE-2012-1141,
CVE-2012-1142, CVE-2012-1143, CVE-2012-1144
Package Information:
https://launchpad.net/ubuntu/+source/freetype/2.4.4-2ubuntu1.2
https://launchpad.net/ubuntu/+source/freetype/2.4.4-1ubuntu2.3
https://launchpad.net/ubuntu/+source/freetype/2.4.2-2ubuntu0.4
https://launchpad.net/ubuntu/+source/freetype/2.3.11-1ubuntu2.6
https://launchpad.net/ubuntu/+source/freetype/2.3.5-1ubuntu4.8.04.9