Debian Security Advisory
DSA-1795-1 ldns -- buffer overflow
- Date Reported:
- 07 May 2009
- Affected Packages:
- ldns
- Vulnerable:
- Yes
- Security database references:
- In Mitre's CVE dictionary: CVE-2009-1086.
- More information:
-
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.
- Fixed in:
-
Debian GNU/Linux 5.0 (lenny)
- Source:
- http://security.debian.org/pool/updates/main/l/ldns/ldns_1.4.0.orig.tar.gz
- http://security.debian.org/pool/updates/main/l/ldns/ldns_1.4.0-1+lenny1.diff.gz
- http://security.debian.org/pool/updates/main/l/ldns/ldns_1.4.0-1+lenny1.dsc
- http://security.debian.org/pool/updates/main/l/ldns/ldns_1.4.0-1+lenny1.diff.gz
- Alpha:
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_alpha.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_alpha.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_alpha.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_alpha.deb
- AMD64:
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_amd64.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_amd64.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_amd64.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_amd64.deb
- ARM:
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_arm.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_arm.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_arm.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_arm.deb
- ARM EABI:
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_armel.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_armel.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_armel.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_armel.deb
- HP Precision:
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_hppa.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_hppa.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_hppa.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_hppa.deb
- Intel IA-32:
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_i386.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_i386.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_i386.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_i386.deb
- Intel IA-64:
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_ia64.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_ia64.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_ia64.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_ia64.deb
- Big-endian MIPS:
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_mips.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_mips.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_mips.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_mips.deb
- Little-endian MIPS:
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_mipsel.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_mipsel.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_mipsel.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_mipsel.deb
- PowerPC:
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_powerpc.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_powerpc.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_powerpc.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_powerpc.deb
- IBM S/390:
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_s390.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_s390.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_s390.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_s390.deb
- Sun Sparc:
- http://security.debian.org/pool/updates/main/l/ldns/libldns1_1.4.0-1+lenny1_sparc.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_sparc.deb
- http://security.debian.org/pool/updates/main/l/ldns/ldnsutils_1.4.0-1+lenny1_sparc.deb
- http://security.debian.org/pool/updates/main/l/ldns/libldns-dev_1.4.0-1+lenny1_sparc.deb
MD5 checksums of the listed files are available in the original advisory.