__________________________________________________________
The U.S. Department of Energy
Computer Incident Advisory Capability
___ __ __ _ ___
/ | /_\ /
\___ __|__ / \ \___
__________________________________________________________
INFORMATION BULLETIN
t1lib Vulnerability
[Debian Security Advisory DSA-1390-1]
October 24, 2007 18:00 GMT Number S-027
______________________________________________________________________________
PROBLEM: There is a buffer overflow in the intT1_Env_GetCompletePath
routine in t1lib, a Type 1 font rasterizer library.
PLATFORM: Debian GNU/Linux 3.1 (oldstable)
DAMAGE: Could allow an attacker to crash and application using the
t1lib shared libraries, and potentially execute arbitrary code
within such an application's security context.
SOLUTION: Upgrade to the appropriate version.
______________________________________________________________________________
VULNERABILITY The risk is LOW. Could allow an attacker to crash and
ASSESSMENT: application using the t1lib shared libraries, and potentially
execute arbitrary code within such an application's security
context.
______________________________________________________________________________
LINKS:
CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/s-027.shtml
ORIGINAL BULLETIN: http://www.debian.org/security/2007/dsa-1390
CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=
CVE-2007-4033
______________________________________________________________________________
[***** Start Debian Security Advisory DSA-1390-1 *****]
Debian Security Advisory
DSA-1390-1 t1lib -- buffer overflow
Date Reported:
18 Oct 2007
Affected Packages:
t1lib
Vulnerable:
Yes
Security database references:
In the Debian bugtracking system: Bug 439927.
In Mitre's CVE dictionary: CVE-2007-4033.
More information:
Hamid Ebadi has discovered a buffer overflow the intT1_Env_GetCompletePath routine
in t1lib, a Type 1 font rasterizer library. This flaw could allow an attacker to
crash and application using the t1lib shared libraries, and potentially execute
arbitrary code within such an application's security context.
For the stable distribution (etch), this problem has been fixed in version 5.1.0-2etch1
For the old stable distribution (sarge), this problem has been fixed in version 5.0.2-3sarge1
We recommend that you upgrade your t1lib package.
Fixed in:
Debian GNU/Linux 3.1 (oldstable)
Oldstable updates are available for alpha, amd64, arm, hppa, i386, ia64, m68k, mips, mipsel, powerpc, s390 and sparc.
Source:
http://security.debian.org/pool/updates/main/t/t1lib/t1lib_5.0.2.orig.tar.gz
http://security.debian.org/pool/updates/main/t/t1lib/t1lib_5.0.2-3sarge1.diff.gz
http://security.debian.org/pool/updates/main/t/t1lib/t1lib_5.0.2-3sarge1.dsc
Architecture-independent component:
http://security.debian.org/pool/updates/main/t/t1lib/libt1-doc_5.0.2-3sarge1_all.deb
Alpha:
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.0.2-3sarge1_alpha.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.0.2-3sarge1_alpha.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.0.2-3sarge1_alpha.deb
AMD64:
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.0.2-3sarge1_amd64.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.0.2-3sarge1_amd64.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.0.2-3sarge1_amd64.deb
HP Precision:
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.0.2-3sarge1_hppa.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.0.2-3sarge1_hppa.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.0.2-3sarge1_hppa.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.0.2-3sarge1_i386.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.0.2-3sarge1_i386.deb
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.0.2-3sarge1_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.0.2-3sarge1_ia64.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.0.2-3sarge1_ia64.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.0.2-3sarge1_ia64.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.0.2-3sarge1_m68k.deb
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.0.2-3sarge1_m68k.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.0.2-3sarge1_m68k.deb
Big-endian MIPS:
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.0.2-3sarge1_mips.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.0.2-3sarge1_mips.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.0.2-3sarge1_mips.deb
Little-endian MIPS:
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.0.2-3sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.0.2-3sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.0.2-3sarge1_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.0.2-3sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.0.2-3sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.0.2-3sarge1_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.0.2-3sarge1_s390.deb
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.0.2-3sarge1_s390.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.0.2-3sarge1_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.0.2-3sarge1_sparc.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.0.2-3sarge1_sparc.deb
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.0.2-3sarge1_sparc.deb
Debian (stable) Stable updates are available for alpha, amd64, arm, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc.
Source:
http://security.debian.org/pool/updates/main/t/t1lib/t1lib_5.1.0-2etch1.dsc
http://security.debian.org/pool/updates/main/t/t1lib/t1lib_5.1.0-2etch1.diff.gz
http://security.debian.org/pool/updates/main/t/t1lib/t1lib_5.1.0.orig.tar.gz
Architecture-independent component:
http://security.debian.org/pool/updates/main/t/t1lib/libt1-doc_5.1.0-2etch1_all.deb
Alpha:
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.1.0-2etch1_alpha.deb
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.1.0-2etch1_alpha.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.1.0-2etch1_alpha.deb
AMD64:
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.1.0-2etch1_amd64.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.1.0-2etch1_amd64.deb
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.1.0-2etch1_amd64.deb
ARM:
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.1.0-2etch1_arm.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.1.0-2etch1_arm.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.1.0-2etch1_arm.deb
HP Precision:
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.1.0-2etch1_hppa.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.1.0-2etch1_hppa.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.1.0-2etch1_hppa.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.1.0-2etch1_i386.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.1.0-2etch1_i386.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.1.0-2etch1_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.1.0-2etch1_ia64.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.1.0-2etch1_ia64.deb
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.1.0-2etch1_ia64.deb
Big-endian MIPS:
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.1.0-2etch1_mips.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.1.0-2etch1_mips.deb
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.1.0-2etch1_mips.deb
Little-endian MIPS:
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.1.0-2etch1_mipsel.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.1.0-2etch1_mipsel.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.1.0-2etch1_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.1.0-2etch1_powerpc.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.1.0-2etch1_powerpc.deb
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.1.0-2etch1_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.1.0-2etch1_s390.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.1.0-2etch1_s390.deb
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.1.0-2etch1_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/t/t1lib/libt1-dev_5.1.0-2etch1_sparc.deb
http://security.debian.org/pool/updates/main/t/t1lib/t1lib-bin_5.1.0-2etch1_sparc.deb
http://security.debian.org/pool/updates/main/t/t1lib/libt1-5_5.1.0-2etch1_sparc.deb
MD5 checksums of the listed files are available in the original advisory.
[***** End Debian Security Advisory DSA-1390-1 *****]
_______________________________________________________________________________
CIAC wishes to acknowledge the contributions of Debian for the
information contained in this bulletin.
_______________________________________________________________________________
CIAC, the Computer Incident Advisory Capability, is the computer
security incident response team for the U.S. Department of Energy
(DOE) and the emergency backup response team for the National
Institutes of Health (NIH). CIAC is located at the Lawrence Livermore
National Laboratory in Livermore, California. CIAC is also a founding
member of FIRST, the Forum of Incident Response and Security Teams, a
global organization established to foster cooperation and coordination
among computer security teams worldwide.
CIAC services are available to DOE, DOE contractors, and the NIH. CIAC
can be contacted at:
Voice: +1 925-422-8193 (7x24)
FAX: +1 925-423-8002
STU-III: +1 925-423-2604
E-mail: ciac@ciac.org
Previous CIAC notices, anti-virus software, and other information are
available from the CIAC Computer Security Archive.
World Wide Web: http://www.ciac.org/
Anonymous FTP: ftp.ciac.org
PLEASE NOTE: Many users outside of the DOE, ESnet, and NIH computing
communities receive CIAC bulletins. If you are not part of these
communities, please contact your agency's response team to report
incidents. Your agency's team will coordinate with CIAC. The Forum of
Incident Response and Security Teams (FIRST) is a world-wide
organization. A list of FIRST member organizations and their
constituencies can be obtained via WWW at http://www.first.org/.
This document was prepared as an account of work sponsored by an
agency of the United States Government. Neither the United States
Government nor the University of California nor any of their
employees, makes any warranty, express or implied, or assumes any
legal liability or responsibility for the accuracy, completeness, or
usefulness of any information, apparatus, product, or process
disclosed, or represents that its use would not infringe privately
owned rights. Reference herein to any specific commercial products,
process, or service by trade name, trademark, manufacturer, or
otherwise, does not necessarily constitute or imply its endorsement,
recommendation or favoring by the United States Government or the
University of California. The views and opinions of authors expressed
herein do not necessarily state or reflect those of the United States
Government or the University of California, and shall not be used for
advertising or product endorsement purposes.
LAST 10 CIAC BULLETINS ISSUED (Previous bulletins available from CIAC)
S-017: Cisco Unified Communications Manager Denial of Service Vulnerabilities
S-018: Multiple Vulnerabilities in Firewall Services Module
S-019: DHCP Vulnerability
S-020: Cisco Unified Communications Web-based Management Vulnerability
S-021: HP-UX Running OpenSSL Vulnerability
S-022: Mozilla Products Vulnerabilities
S-023: RealPlayer Playlist Vulnerability
S-024: libpng Security Update
S-025: reprepro Vulnerability
S-026: xfce4-terminal Vulnerability