From: [email protected]

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- ------------------------------------------------------------------------ Debian Security Advisory DSA-1721-1 [email protected] http://www.debian.org/security/ Moritz Muehlenhoff February 11, 2009 http://www.debian.org/security/faq
- ------------------------------------------------------------------------

Package : libpam-krb5
Vulnerability : several
Problem type : local
Debian-specific: no
CVE Id(s) : CVE-2009-0360 CVE-2009-0361

Several local vulnerabilities have been discovered in the PAM module
for MIT Kerberos. The Common Vulnerabilities and Exposures project
identifies the following problems:

CVE-2009-0360

Russ Allbery discovered that the Kerberos PAM module parsed
configuration settings from enviromnent variables when run from a
setuid context. This could lead to local privilege escalation if
an attacker points a setuid program using PAM authentication to a
Kerberos setup under her control.

CVE-2009-0361

Derek Chan discovered that the Kerberos PAM module allows
reinitialisation of user credentials when run from a setuid
context, resulting in potential local denial of service by
overwriting the credential cache file or to privilege escalation.

For the stable distribution (etch), these problems have been fixed in
version 2.6-1etch1.

For the upcoming stable distribution (lenny), these problems have been
fixed in version 3.11-4.

For the unstable distribution (sid), these problems will be fixed soon.

We recommend that you upgrade your libpam-krb5 package.

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
- -------------------------------

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

Source archives:

http://security.debian.org/pool/updates/main/libp/libpam-krb5/libpam-krb5_2.6-1etch1.dsc
Size/MD5 checksum: 670 e24d2e134c78f26f571ae691a4dd3209
http://security.debian.org/pool/updates/main/libp/libpam-krb5/libpam-krb5_2.6.orig.tar.gz
Size/MD5 checksum: 119752 5742d0fb75ac148b7748387bc295f472
http://security.debian.org/pool/updates/main/libp/libpam-krb5/libpam-krb5_2.6-1etch1.diff.gz
Size/MD5 checksum: 11016 93ab13d570cbb2938e703fef2f06581e

alpha architecture (DEC Alpha)

http://security.debian.org/pool/updates/main/libp/libpam-krb5/libpam-krb5_2.6-1etch1_alpha.deb
Size/MD5 checksum: 58440 a526c51fb9e6c4193b8591000ff7b632

amd64 architecture (AMD x86_64 (AMD64))

http://security.debian.org/pool/updates/main/libp/libpam-krb5/libpam-krb5_2.6-1etch1_amd64.deb
Size/MD5 checksum: 57502 d8607f991e0da76e191bc2c468c7ed59

arm architecture (ARM)

http://security.debian.org/pool/updates/main/libp/libpam-krb5/libpam-krb5_2.6-1etch1_arm.deb
Size/MD5 checksum: 55372 e90de3bd06a9fc12d61866e718896c2e

hppa architecture (HP PA RISC)

http://security.debian.org/pool/updates/main/libp/libpam-krb5/libpam-krb5_2.6-1etch1_hppa.deb
Size/MD5 checksum: 58952 0774be83acdc3e36ddf9c55bbfc9ee16

i386 architecture (Intel ia32)

http://security.debian.org/pool/updates/main/libp/libpam-krb5/libpam-krb5_2.6-1etch1_i386.deb
Size/MD5 checksum: 56726 9d3eb6c5e1954393cde41f73b3824190

ia64 architecture (Intel ia64)

http://security.debian.org/pool/updates/main/libp/libpam-krb5/libpam-krb5_2.6-1etch1_ia64.deb
Size/MD5 checksum: 62910 874687c0aba8ecbce11bd126ff5c2585

mips architecture (MIPS (Big Endian))

http://security.debian.org/pool/updates/main/libp/libpam-krb5/libpam-krb5_2.6-1etch1_mips.deb
Size/MD5 checksum: 56894 0f10eccba6afdc540c23a39728df0bc9

mipsel architecture (MIPS (Little Endian))

http://security.debian.org/pool/updates/main/libp/libpam-krb5/libpam-krb5_2.6-1etch1_mipsel.deb
Size/MD5 checksum: 56886 55d1faffac772a008d46674442f480f9

powerpc architecture (PowerPC)

http://security.debian.org/pool/updates/main/libp/libpam-krb5/libpam-krb5_2.6-1etch1_powerpc.deb
Size/MD5 checksum: 58572 66ecfa0eb67c381dc8b2a63a1d7dec44

s390 architecture (IBM S/390)

http://security.debian.org/pool/updates/main/libp/libpam-krb5/libpam-krb5_2.6-1etch1_s390.deb
Size/MD5 checksum: 57928 73b6597abb7682378667210bd980a8b2

sparc architecture (Sun SPARC/UltraSPARC)

http://security.debian.org/pool/updates/main/libp/libpam-krb5/libpam-krb5_2.6-1etch1_sparc.deb
Size/MD5 checksum: 56390 7896f97c1d3b2daa5e94a195a12a11a6


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

- ---------------------------------------------------------------------------------
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: [email protected]
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg> -----BEGIN PGP SIGNATURE-----
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