Alerts This Week
Warning Icon 1 714
Alerts This Week
Warning Icon 1 714

Critical Security Update RHSA-2012:0467-01 for Freetype Buffer Overflow

red hat
Calendar Grey April 10, 2012
Dist Redhat Esm H88
Several vulnerabilities addressed in freetype software for Red Hat Enterprise Linux versions 5 and 6. Critical patch now released.
Updated freetype packages that fix multiple security issues are now available for Red Hat Enterprise Linux 5 and 6

Solution

Before applying this update, make sure all previously-released errata relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

Summary

FreeType is a free, high-quality, portable font engine that can open and manage font files. It also loads, hints, and renders individual glyphs efficiently.
Multiple flaws were found in the way FreeType handled TrueType Font (TTF), Glyph Bitmap Distribution Format (BDF), Windows .fnt and .fon, and PostScript Type 1 fonts. If a specially-crafted font file was loaded by an application linked against FreeType, it could cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. (CVE-2012-1134, CVE-2012-1136, CVE-2012-1142, CVE-2012-1144)
Multiple flaws were found in the way FreeType handled fonts in various formats. If a specially-crafted font file was loaded by an application linked against FreeType, it could cause the application to crash. (CVE-2012-1126, CVE-2012-1127, CVE-2012-1130, CVE-2012-1131, CVE-2012-1132, CVE-2012-1137, CVE-2012-1139, CVE-2012-1140, CVE-2012-1141, CVE-2012-1143)
Red Hat would like to thank Mateusz Jurczyk of the Google Security Team for reporting these issues.
Users are advised to upgrade to these updated packages, which contain a backported patch to correct these issues. The X server must be restarted (log out, then log back in) for this update to take effect.

Topics%20covered

Topics Covered

security advisory buffer overflow security fix important red hat enterprise freetype linux

References

https://access.redhat.com/security/cve/CVE-2012-1126 https://access.redhat.com/security/cve/CVE-2012-1127 https://access.redhat.com/security/cve/CVE-2012-1130 https://access.redhat.com/security/cve/CVE-2012-1131 https://access.redhat.com/security/cve/CVE-2012-1132 https://access.redhat.com/security/cve/CVE-2012-1134 https://access.redhat.com/security/cve/CVE-2012-1136 https://access.redhat.com/security/cve/CVE-2012-1137 https://access.redhat.com/security/cve/CVE-2012-1139 https://access.redhat.com/security/cve/CVE-2012-1140 https://access.redhat.com/security/cve/CVE-2012-1141 https://access.redhat.com/security/cve/CVE-2012-1142 https://access.redhat.com/security/cve/CVE-2012-1143 https://access.redhat.com/security/cve/CVE-2012-1144 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Desktop (v. 5 client):
Source:
i386: freetype-2.2.1-31.el5_8.1.i386.rpm freetype-debuginfo-2.2.1-31.el5_8.1.i386.rpm
x86_64: freetype-2.2.1-31.el5_8.1.i386.rpm freetype-2.2.1-31.el5_8.1.x86_64.rpm freetype-debuginfo-2.2.1-31.el5_8.1.i386.rpm freetype-debuginfo-2.2.1-31.el5_8.1.x86_64.rpm
RHEL Desktop Workstation (v. 5 client):
Source:
i386: freetype-debuginfo-2.2.1-31.el5_8.1.i386.rpm freetype-demos-2.2.1-31.el5_8.1.i386.rpm freetype-devel-2.2.1-31.el5_8.1.i386.rpm
x86_64: freetype-debuginfo-2.2.1-31.el5_8.1.i386.rpm freetype-debuginfo-2.2.1-31.el5_8.1.x86_64.rpm freetype-demos-2.2.1-31.el5_8.1.x86_64.rpm freetype-devel-2.2.1-31.el5_8.1.i386.rpm freetype-devel-2.2.1-31.el5_8.1.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source:
i386: freetype-2.2.1-31.el5_8.1.i386.rpm freetype-debuginfo-2.2.1-31.el5_8.1.i386.rpm freetype-demos-2.2.1-31.el5_8.1.i386.rpm freetype-devel-2.2.1-31.el5_8.1.i386.rpm
ia64: freetype-2.2.1-31.el5_8.1.i386.rpm freetype-2.2.1-31.el5_8.1.ia64.rpm freetype-debuginfo-2.2.1-31.el5_8.1.i386.rpm freetype-debuginfo-2.2.1-31.el5_8.1.ia64.rpm freetype-demos-2.2.1-31.el5_8.1.ia64.rpm freetype-devel-2.2.1-31.el5_8.1.ia64.rpm
ppc: freetype-2.2.1-31.el5_8.1.ppc.rpm freetype-2.2.1-31.el5_8.1.ppc64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2012:0467-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2012:0467.html
Issue date: 2012-04-10

Topic

Updated freetype packages that fix multiple security issues are nowavailable for Red Hat Enterprise Linux 5 and 6.The Red Hat Security Response Team has rated this update as havingimportant security impact. Common Vulnerability Scoring System (CVSS) basescores, which give detailed severity ratings, are available for eachvulnerability from the CVE links in the References section.

Topics%20covered

Topics Covered

security advisory buffer overflow security fix important red hat enterprise freetype linux

Relevant Releases Architectures

RHEL Desktop Workstation (v. 5 client) - i386, x86_64

Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64

Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64

Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64

Red Hat Enterprise Linux HPC Node (v. 6) - x86_64

Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64

Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

Bugs Fixed

800581 - CVE-2012-1126 freetype: heap buffer over-read in BDF parsing _bdf_is_atom() (#35597, #35598)

800583 - CVE-2012-1127 freetype: heap buffer over-read in BDF parsing _bdf_parse_glyphs() (#35599, #35600)

800587 - CVE-2012-1130 freetype: heap buffer over-read in PCF parser pcf_get_properties() (#35603)

800589 - CVE-2012-1131 freetype: incorrect type cast allowing input sanity check bypass in ft_smooth_render_generic() (#35604)

800590 - CVE-2012-1132 freetype: heap buffer over-read in Type1 parser parse_subrs() (#35606)

800592 - CVE-2012-1134 freetype: limited heap buffer overflow in Type1 parser T1_Get_Private_Dict() (#35608)

800594 - CVE-2012-1136 freetype: uninitialized pointer use in BDF parser _bdf_parse_glyphs() (#35641)

800595 - CVE-2012-1137 freetype: heap buffer off-by-one in BDF parsing _bdf_list_ensure() (#35643)

800598 - CVE-2012-1139 freetype: data buffer underflow in BDF parser _bdf_parse_glyphs() (#35656)

800600 - CVE-2012-1140 freetype: multiple buffer over-read in PS parser conversion functions (#35657)

800602 - CVE-2012-1141 freetype: BDF parser _bdf_list_split() fails to properly initialize field array (#35658)

800604 - CVE-2012-1142 freetype: incorrect computation of number of glyphs in FNT_Face_Init() for FNT/FON files (#35659)

800606 - CVE-2012-1143 freetype: integer divide by zero in FT_DivFix() (#35660)

Read the Full Advisory

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here