Debian Security Advisory

DSA-1432-1 link-grammar -- buffer overflow

Date Reported:

16 Dec 2007

Affected Packages:

link-grammar

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 450695.
In Mitre's CVE dictionary: CVE-2007-5395.

More information:

Alin Rad Pop discovered that link-grammar, Carnegie Mellon University's link grammar parser for English, performed insufficient validation within its tokenizer, which could allow a malicious input file to execute arbitrary code.

For the old stable distribution (sarge), this package is not present.

For the stable distribution (etch), this problem has been fixed in version 4.2.2-4etch1.

For the unstable distribution (sid), this problem has been fixed in version 4.2.5-1.

We recommend that you upgrade your link-grammar package.

Fixed in:

Debian GNU/Linux 4.0 (etch)

Source:: http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2.orig.tar.gz; http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1.dsc; http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1.diff.gz
Architecture-independent component:: http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar-dictionaries-en_4.2.2-4etch1_all.deb
Alpha:: http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_alpha.deb; http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_alpha.deb; http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_alpha.deb
AMD64:: http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_amd64.deb; http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_amd64.deb; http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_amd64.deb
ARM:: http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_arm.deb; http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_arm.deb; http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_arm.deb
HP Precision:: http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_hppa.deb; http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_hppa.deb; http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_hppa.deb
Intel IA-32:: http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_i386.deb; http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_i386.deb; http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_i386.deb
Intel IA-64:: http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_ia64.deb; http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_ia64.deb; http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_ia64.deb
Big-endian MIPS:: http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_mips.deb; http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_mips.deb; http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_mips.deb
Little-endian MIPS:: http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_mipsel.deb; http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_mipsel.deb; http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_mipsel.deb
PowerPC:: http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_powerpc.deb; http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_powerpc.deb; http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_powerpc.deb
IBM S/390:: http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_s390.deb; http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_s390.deb; http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_s390.deb
Sun Sparc:: http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4-dev_4.2.2-4etch1_sparc.deb; http://security.debian.org/pool/updates/main/l/link-grammar/link-grammar_4.2.2-4etch1_sparc.deb; http://security.debian.org/pool/updates/main/l/link-grammar/liblink-grammar4_4.2.2-4etch1_sparc.deb

MD5 checksums of the listed files are available in the original advisory.