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Debian Security Advisory DSA-1735-1                  security@debian.org
http://www.debian.org/security/                           Florian Weimer
March 10, 2009                        http://www.debian.org/security/faq
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Package        : znc
Vulnerability  : missing input sanitization
Problem type   : remote
Debian-specific: no
CVE Id(s)      : CVE-2009-0759
Debian Bug     : 516950

It was discovered that znc, an IRC proxy/bouncer, does not properly
sanitize input contained in configuration change requests to the
webadmin interface.  This allows authenticated users to elevate their
privileges and indirectly execute arbitrary commands (CVE-2009-0759).

For the old stable distribution (etch), this problem has been fixed in
version 0.045-3+etch2.

For the stable distribution (lenny), this problem has been fixed in
version 0.058-2+lenny1.

For the unstable distribution (sid), this problem has been fixed in
version 0.066-1.

We recommend that you upgrade your znc packages.

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

Source archives:

  http://security.debian.org/pool/updates/main/z/znc/znc_0.045.orig.tar.gz
    Size/MD5 checksum:   204863 9a514b125b7514811fd03befa73cce77
  http://security.debian.org/pool/updates/main/z/znc/znc_0.045-3+etch2.dsc
    Size/MD5 checksum:      962 1962af4c56b4c4c169832249d6b99f30
  http://security.debian.org/pool/updates/main/z/znc/znc_0.045-3+etch2.diff.gz
    Size/MD5 checksum:    12817 c254e989604122fb7267a0fafeddfd95

alpha architecture (DEC Alpha)

  http://security.debian.org/pool/updates/main/z/znc/znc_0.045-3+etch2_alpha.deb
    Size/MD5 checksum:   859792 f154f471d3b0d42d7b7cfe8eebaf3134

amd64 architecture (AMD x86_64 (AMD64))

  http://security.debian.org/pool/updates/main/z/znc/znc_0.045-3+etch2_amd64.deb
    Size/MD5 checksum:   793694 80c9126c518abe062265cee5d94ca6f1

hppa architecture (HP PA RISC)

  http://security.debian.org/pool/updates/main/z/znc/znc_0.045-3+etch2_hppa.deb
    Size/MD5 checksum:   857356 04a64d64b5a4582fcd7db3bef32822ec

i386 architecture (Intel ia32)

  http://security.debian.org/pool/updates/main/z/znc/znc_0.045-3+etch2_i386.deb
    Size/MD5 checksum:   806592 99b63e880bbba2841f30ed006fbe2364

ia64 architecture (Intel ia64)

  http://security.debian.org/pool/updates/main/z/znc/znc_0.045-3+etch2_ia64.deb
    Size/MD5 checksum:   957620 061cfe882476dc4ad55caf16ec8c7af8

mips architecture (MIPS (Big Endian))

  http://security.debian.org/pool/updates/main/z/znc/znc_0.045-3+etch2_mips.deb
    Size/MD5 checksum:   713450 625f8ed77be76269bd78f4414ed55a61

mipsel architecture (MIPS (Little Endian))

  http://security.debian.org/pool/updates/main/z/znc/znc_0.045-3+etch2_mipsel.deb
    Size/MD5 checksum:   710332 5b07981be622bf78839d2376af142e3d

powerpc architecture (PowerPC)

  http://security.debian.org/pool/updates/main/z/znc/znc_0.045-3+etch2_powerpc.deb
    Size/MD5 checksum:   789838 5c75fc8a345a20c6b6e39e2eb97cd004

s390 architecture (IBM S/390)

  http://security.debian.org/pool/updates/main/z/znc/znc_0.045-3+etch2_s390.deb
    Size/MD5 checksum:   730066 514965b8fa4913d2e1ff13630bd5957a

sparc architecture (Sun SPARC/UltraSPARC)

  http://security.debian.org/pool/updates/main/z/znc/znc_0.045-3+etch2_sparc.deb
    Size/MD5 checksum:   747502 6b72758d93bb4ddc392ef6cfa119a5c2


Debian GNU/Linux 4.0 alias lenny
- -------------------------------

Source archives:

  http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny1.dsc
    Size/MD5 checksum:     1332 c657b80b61750fc072ce257c1d682b21
  http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny1.diff.gz
    Size/MD5 checksum:     8253 04053487dbf0b49da04ded749d1c384e
  http://security.debian.org/pool/updates/main/z/znc/znc_0.058.orig.tar.gz
    Size/MD5 checksum:   340741 c02fd740c55d5b3a7912f7584344103e

alpha architecture (DEC Alpha)

  http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny1_alpha.deb
    Size/MD5 checksum:  1096362 92f9a65cd06d7da250f79a3d11e0a124

amd64 architecture (AMD x86_64 (AMD64))

  http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny1_amd64.deb
    Size/MD5 checksum:  1028438 f2058b3d07a9233cef8f9ca0dfec6673

arm architecture (ARM)

  http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny1_arm.deb
    Size/MD5 checksum:  1149682 3ed9f92e4ca7ee29ff3c60897cc71c21

hppa architecture (HP PA RISC)

  http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny1_hppa.deb
    Size/MD5 checksum:  1163022 359b9459a44f3653e2571cda2fb51085

i386 architecture (Intel ia32)

  http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny1_i386.deb
    Size/MD5 checksum:  1013106 15b468bd87a584a0415584452d26ab38

ia64 architecture (Intel ia64)

  http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny1_ia64.deb
    Size/MD5 checksum:  1181082 f86b365aa064e782ea72a82d216edd62

mips architecture (MIPS (Big Endian))

  http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny1_mips.deb
    Size/MD5 checksum:   916040 f6c21df1590da49c335bc76860e5af8d

mipsel architecture (MIPS (Little Endian))

  http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny1_mipsel.deb
    Size/MD5 checksum:   906310 d156e11c8c0bedb5dd56fcfcf40730e9

powerpc architecture (PowerPC)

  http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny1_powerpc.deb
    Size/MD5 checksum:  1034324 29a41349db3b895e1a6bdf0bdf249ff8

s390 architecture (IBM S/390)

  http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny1_s390.deb
    Size/MD5 checksum:   970792 b0f4f9f9b0e38309fca19dabe60beef4

sparc architecture (Sun SPARC/UltraSPARC)

  http://security.debian.org/pool/updates/main/z/znc/znc_0.058-2+lenny1_sparc.deb
    Size/MD5 checksum:  1000006 ea9cd30f00b2f9466dfeb84e96198099


  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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