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The U.S. Department of Energy
Computer Incident Advisory Capability
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INFORMATION BULLETIN
l2tpns Buffer Overflow
[DSA-1230-1]
December 8, 2006 21:00 GMT Number R-067
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PROBLEM: A vulnerability in l2tpns which could be triggered by a remote
user to execute arbitary code.
PLATFORM: For the stable distribution (sarge) fixed in version 2.0.14-1sarge1
For the unstable distribution (sid) fixed in version 2.1.21-1
DAMAGE: Could allow a remote user to execute arbitrary code.
SOLUTION: Apply current patches.
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VULNERABILITY The risk is MEDIUM. Could allow a remote user to execute
ASSESSMENT: arbitrary code.
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LINKS:
CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/r-067.shtml
ORIGINAL BULLETIN: http://www.debian.org/security/2006/dsa-1230
CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5873
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[***** Start DSA-1230-1 *****]
Debian Security Advisory
DSA-1230-1 l2tpns -- buffer overflow
Date Reported:
08 Dec 2006
Affected Packages:
l2tpns (2.0.14-1sarge1)
Vulnerable:
Yes
Security database references:
In the Debian bugtracking system: Bug 401742.
In Mitre's CVE dictionary: CVE-2006-5873.
More information:
Rhys Kidd discovered a vulnerability in l2tpns, a layer 2 tunnelling protocol network server, which could be triggered by a remote user to execute arbitary code.
For the stable distribution (sarge), this problem has been fixed in version 2.0.14-1sarge1.
For the unstable distribution (sid) this problem has been fixed in version 2.1.21-1
We recommend that you upgrade your l2tpns package.
Fixed in:
Debian GNU/Linux 3.1 (stable)
Stable updates are available for alpha, amd64, arm, hppa, i386, ia64, m68k, mips, mipsel, powerpc, s390 and sparc. Source archives: http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14.orig.tar.gz Size/MD5 checksum: 149672 462bca675b5e27f40f5e5f92918911cb http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1.diff.gz Size/MD5 checksum: 2760 21dd07043e996a6deb282ad9318ff523 http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1.dsc Size/MD5 checksum: 585 16faad913601881770b688f2fc8e8357 alpha architecture (DEC Alpha) http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_alpha.deb Size/MD5 checksum: 195906 4d8481e9bf411cd71b3439fba8c65f4d amd64 architecture (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_amd64.deb Size/MD5 checksum: 152440 164d2205b4cd8fc99bc4763fb7ac9b38 arm architecture (ARM) http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_arm.deb Size/MD5 checksum: 151706 317794e1cbd89bf03a5276a5e0e6e946 hppa architecture (HP PA RISC) http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_hppa.deb Size/MD5 checksum: 169062 80e4b651500315e6cfeae09cbd990cca i386 architecture (Intel ia32) http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_i386.deb Size/MD5 checksum: 144584 4a447fcc5dae3781f84f21bc8a262937 ia64 architecture (Intel ia64) http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_ia64.deb Size/MD5 checksum: 227898 e14fc8e036271566d4a9178e10650ad3 m68k architecture (Motorola Mc680x0) http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_m68k.deb Size/MD5 checksum: 128076 e30c757e00a9914890caeab4da5e364d mips architecture (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_mips.deb Size/MD5 checksum: 165256 c5eadfb746ff587e557241fcea756011 mipsel architecture (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_mipsel.deb Size/MD5 checksum: 168406 b11641d83e799878de35512edb09dbfa powerpc architecture (PowerPC) http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_powerpc.deb Size/MD5 checksum: 168706 9b4038dbfaa5fe14ac7df25857cc0e7f s390 architecture (IBM S/390) http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_s390.deb Size/MD5 checksum: 155020 d4a196ecf8b13ae8d0830e45571cc29d sparc architecture (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_sparc.deb Size/MD5 checksum: 160188 ab36083d96a6d5ca028d93032eccdec0
MD5 checksums of the listed files are available in the original advisory.
[***** End DSA-1230-1 *****]
_______________________________________________________________________________
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
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