DSA 1795-1: New ldns packages fix arbitrary code execution
Posted on: 05/07/2009 07:25 AM

The Debian Security Team published a new security update for Debian GNU/Linux. Here the announcement:

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Debian Security Advisory DSA-1795 security@debian.org
http://www.debian.org/security/ Devin Carraway
May 07, 2009 http://www.debian.org/security/faq
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Package : ldns
Vulnerability : buffer overflow
Problem type : local (remote)
Debian-specific: no
CVE Id(s) : CVE-2009-1086

Stefan Kaltenbrunner discovered that ldns, a library and set of utilities
to facilitate DNS programming, did not correctly implement a buffer
boundary check in its RR DNS record parser. This weakness could enable
overflow of a heap buffer if a maliciously-crafted record is parsed,
potentially allowing the execution of arbitrary code. The scope of
compromise will vary with the context in which ldns is used, and could
present either a local or remote attack vector.

The old stable distribution (etch) is not affected by this issue.

For the stable distribution (lenny), this problem has been fixed in
version 1.4.0-1+lenny1.

For the unstable distribution (sid), this problem was fixed in
version 1.5.1-1.

We recommend that you upgrade your ldns packages.

Upgrade instructions
- --------------------

wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
will update the internal database
apt-get upgrade
will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian GNU/Linux 4.0 alias etch
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Debian GNU/Linux 5.0 alias lenny
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Debian (stable)
- ---------------

Stable updates are available for alpha, amd64, arm, armel, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc.

Source archives:

http://security.debian.org/pool/updates/main/l/ldns/ldns_1.4.0.orig.tar.gz
Size/MD5 checksum: 807484 3af0b721222afa8bbfbe6db22b4be613
http://security.debian.org/pool/updates/main/l/ldns/ldns_1.4.0-1+lenny1.diff.gz
Size/MD5 checksum: 42602 ec277451483fc47ca762a41871bdd221
http://security.debian.org/pool/updates/main/l/ldns/ldns_1.4.0-1+lenny1.dsc
Size/MD5 checksum: 1034 988f2ea0ec08e7ec89ac4990556e4b1a

alpha architecture (DEC Alpha)

http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_alpha.deb
Size/MD5 checksum: 154268 669a25a26228798017e484eac3aa4165
http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_alpha.deb
Size/MD5 checksum: 352842 60a9e03f7d4369d6f588669c9e3f15b3
http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_alpha.deb
Size/MD5 checksum: 133694 a5d8ae4f5c91f94c5ae8fecf03340d5e

amd64 architecture (AMD x86_64 (AMD64))

http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_amd64.deb
Size/MD5 checksum: 298050 a759b7e90b25fa009718ae97e7394bad
http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_amd64.deb
Size/MD5 checksum: 123816 861a02e0ba8da5dd26dcfbf795ba66bb
http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_amd64.deb
Size/MD5 checksum: 147108 de8d28ab89af6f2cb5c8874515551cd2

arm architecture (ARM)

http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_arm.deb
Size/MD5 checksum: 274872 abb3892710d70634f9234e242fa36dee
http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_arm.deb
Size/MD5 checksum: 132434 dbf80b7c12aff2892433305277e8ea57
http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_arm.deb
Size/MD5 checksum: 97660 c226ba159ac214ab55a05ca6222d811b

armel architecture (ARM EABI)

http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_armel.deb
Size/MD5 checksum: 98754 6419159ea05543740804ae7d00834ec9
http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_armel.deb
Size/MD5 checksum: 273732 08ed6d16d8c4b355122d25458ef4d8d9
http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_armel.deb
Size/MD5 checksum: 134780 fecc4ca944671beb5f383468e3d8e4c6

hppa architecture (HP PA RISC)

http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_hppa.deb
Size/MD5 checksum: 119202 7dcb3019e21115dd9288e6718b676f8e
http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_hppa.deb
Size/MD5 checksum: 304434 1bf6066619bc3b95f09d3d9b868caf52
http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_hppa.deb
Size/MD5 checksum: 143602 1640c8ff9642882c8364d69a2bb63a10

i386 architecture (Intel ia32)

http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_i386.deb
Size/MD5 checksum: 113166 0f2dbd1dcd9f92c280a80a5d1a7c0f1a
http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_i386.deb
Size/MD5 checksum: 136032 d04cfb74c763514f32fbb531c872ede1
http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_i386.deb
Size/MD5 checksum: 277938 66bb9673496c17fe9d37a2fd490b9dbc

ia64 architecture (Intel ia64)

http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_ia64.deb
Size/MD5 checksum: 346400 ba3051e06f50d61c43bdc5f31cfeed22
http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_ia64.deb
Size/MD5 checksum: 155732 3d553d3f0dc981dd46a6e2805da734a7
http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_ia64.deb
Size/MD5 checksum: 185404 d575976ac67b3039cfbfa8d1f9092bce

mips architecture (MIPS (Big Endian))

http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_mips.deb
Size/MD5 checksum: 133828 dda7369db1a6ffdf50acc967cfb16d28
http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_mips.deb
Size/MD5 checksum: 300906 2873ee98d88d660b8c0682c136ae1d9a
http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_mips.deb
Size/MD5 checksum: 102082 a5046cccee67968a498d77057554ff1a

mipsel architecture (MIPS (Little Endian))

http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_mipsel.deb
Size/MD5 checksum: 300220 262c6660c652b447fb36c62f28004571
http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_mipsel.deb
Size/MD5 checksum: 133832 47b9bd225a2590f74101799cc56553e5
http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_mipsel.deb
Size/MD5 checksum: 101384 9155b1a75f3a6ba8379cb3cd90a8e3f0

powerpc architecture (PowerPC)

http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_powerpc.deb
Size/MD5 checksum: 121704 1db8fba9a463d2c13b778e3ce4506166
http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_powerpc.deb
Size/MD5 checksum: 183408 3fb158b2c0a4cebabf29bb14c40a6f63
http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_powerpc.deb
Size/MD5 checksum: 292974 83cdffb0fa56120b18674850e37a3adf

s390 architecture (IBM S/390)

http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_s390.deb
Size/MD5 checksum: 296340 514869e5dbef20738cf1c10ac2bfe365
http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_s390.deb
Size/MD5 checksum: 150064 5a2a6856085d05065e6c83fc85acceea
http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_s390.deb
Size/MD5 checksum: 130754 013a58c936f76cd0014c68d211ec702a

sparc architecture (Sun SPARC/UltraSPARC)

http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_sparc.deb
Size/MD5 checksum: 105488 7b61f31b2ff4f083827f87268d86cd27
http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_sparc.deb
Size/MD5 checksum: 279702 ceb4483705cf3b91f0ec266f5eae4f1b
http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_sparc.deb
Size/MD5 checksum: 137774 29820cb49b777eff7f8348d39402ceec


These files will probably be moved into the stable distribution on
its next update.

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For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show lt;pkggt;' and http://packages.debian.org/lt;pkggt;
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