Security World: [SECURITY] [DSA 2122-1] New glibc packages fix local privilege escalation

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Debian Security Advisory DSA-2122-1 security@debian.org
http://www.debian.org/security/ Florian Weimer
October 22, 2010 http://www.debian.org/security/faq
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Package : glibc
Vulnerability : missing input sanitization
Problem type : local
Debian-specific: no
CVE Id(s) : CVE-2010-3847 CVE-2010-3856
Debian Bug : 600667

Ben Hawkes and Tavis Ormandy discovered that the dynamic loader in GNU
libc allows local users to gain root privileges using a crafted
LD_AUDIT environment variable.

For the stable distribution (lenny), this problem has been fixed in
version 2.7-18lenny6.

For the upcoming stable distribution (squeeze), this problem has been
fixed in version 2.11.2-6+squeeze1 of the eglibc package.

For the unstable distribution (sid), this problem will be fixed soon.

We recommend that you upgrade your glibc packages.

Upgrade instructions
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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 5.0 alias lenny
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Source archives:

http://security.debian.org/pool/updates/main/g/glibc/glibc_2.7.orig.tar.gz
Size/MD5 checksum: 15386750 8816fbab13a072c0ccef6640c9d20833
http://security.debian.org/pool/updates/main/g/glibc/glibc_2.7-18lenny6.dsc
Size/MD5 checksum: 2864 0a5bae105aada2473191dd8706b4ee3f
http://security.debian.org/pool/updates/main/g/glibc/glibc_2.7-18lenny6.diff.gz
Size/MD5 checksum: 767588 3421a1ff8874348dae35cdf58f447036

Architecture independent packages:

http://security.debian.org/pool/updates/main/g/glibc/glibc-doc_2.7-18lenny6_all.deb
Size/MD5 checksum: 1629030 8f65d80bdb65e1fcefe13a0f67bb350e
http://security.debian.org/pool/updates/main/g/glibc/locales_2.7-18lenny6_all.deb
Size/MD5 checksum: 4432002 d805e02d461e67f5df3c4dfd87d5ed60
http://security.debian.org/pool/updates/main/g/glibc/glibc-source_2.7-18lenny6_all.deb
Size/MD5 checksum: 16008612 5e40f562173996225e7e6145d60aeeba

alpha architecture (DEC Alpha)

amd64 architecture (AMD x86_64 (AMD64))

arm architecture (ARM)

armel architecture (ARM EABI)

i386 architecture (Intel ia32)

ia64 architecture (Intel ia64)

mips architecture (MIPS (Big Endian))

powerpc architecture (PowerPC)

s390 architecture (IBM S/390)

sparc architecture (Sun SPARC/UltraSPARC)

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 <pkg>' and http://packages.debian.org/<pkg>
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Friday, October 22, 2010

[SECURITY] [DSA 2122-1] New glibc packages fix local privilege escalation

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