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Debian: New systemtap packages fix local privilege escalation Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Debian Erik Sjoelund discovered that a race condition in the stap tool shipped by Systemtap, an instrumentation system for Linux 2.6, allows local privilege escalation for members of the stapusr group.
- ------------------------------------------------------------------------
Debian Security Advisory DSA-1755-1                  security@debian.org
http://www.debian.org/security/                       Moritz Muehlenhoff
March 25, 2009                        http://www.debian.org/security/faq
- ------------------------------------------------------------------------

Package        : systemtap
Vulnerability  : race condition
Problem type   : local
Debian-specific: no
CVE Id(s)      : CVE-2009-0784

Erik Sjoelund discovered that a race condition in the stap tool shipped
by Systemtap, an instrumentation system for Linux 2.6, allows local
privilege escalation for members of the stapusr group.

The old stable distribution (etch) isn't affected.

For the stable distribution (lenny), this problem has been fixed in
version 0.0.20080705-1+lenny1.

For the unstable distribution (sid), this problem has been fixed in
version 0.0.20090314-2.

We recommend that you upgrade your systemtap 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 5.0 alias lenny
- --------------------------------

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/s/systemtap/systemtap_0.0.20080705.orig.tar.gz
    Size/MD5 checksum:   880805 8f14c7b79561392e7ec91187ed09f3be
  http://security.debian.org/pool/updates/main/s/systemtap/systemtap_0.0.20080705-1+lenny1.diff.gz
    Size/MD5 checksum:    12603 b08a9943746e474ed2aa6ed4bc9fc438
  http://security.debian.org/pool/updates/main/s/systemtap/systemtap_0.0.20080705-1+lenny1.dsc
    Size/MD5 checksum:     1420 bfbaeb5d86bfd6876a04e562dc8c69ec

amd64 architecture (AMD x86_64 (AMD64))

  http://security.debian.org/pool/updates/main/s/systemtap/systemtap_0.0.20080705-1+lenny1_amd64.deb
    Size/MD5 checksum:  1250966 d8368769f30ecaa915839a1fc937899d

arm architecture (ARM)

  http://security.debian.org/pool/updates/main/s/systemtap/systemtap_0.0.20080705-1+lenny1_arm.deb
    Size/MD5 checksum:  1309852 7e006ca8bfa2bd36484bd25dda6dcb4c

i386 architecture (Intel ia32)

  http://security.debian.org/pool/updates/main/s/systemtap/systemtap_0.0.20080705-1+lenny1_i386.deb
    Size/MD5 checksum:  1249882 ed02a4eb92c671f18702b69df5ade6d5

ia64 architecture (Intel ia64)

  http://security.debian.org/pool/updates/main/s/systemtap/systemtap_0.0.20080705-1+lenny1_ia64.deb
    Size/MD5 checksum:  1441448 7da28afa66b41d81322cf5614cb9af93

powerpc architecture (PowerPC)

  http://security.debian.org/pool/updates/main/s/systemtap/systemtap_0.0.20080705-1+lenny1_powerpc.deb
    Size/MD5 checksum:  1269934 3016e60eb5dbab1b617bf088d807489c

s390 architecture (IBM S/390)

  http://security.debian.org/pool/updates/main/s/systemtap/systemtap_0.0.20080705-1+lenny1_s390.deb
    Size/MD5 checksum:  1227546 9edb1baaa6a126a405674be0a9dcf12c


  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: debian-security-announce@lists.debian.org
 
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