Linux Security
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Linux Security

Debian: New gfax packages fix privilege escalation

Date 05 Jul 2007
4719
Posted By LinuxSecurity Advisories
Steve Kemp from the Debian Security Audit project discovered that gfax, a GHOME frontend for fax programs, uses temporary files in an unsafe manner which may be exploited to execute arbitary commands with the privileges of the root user.
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Debian Security Advisory DSA-1329-1                  This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                               Steve Kemp
July 05, 2007
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Package        : gfax
Vulnerability  : insecure temporary files
Problem type   : local
Debian-specific: no
CVE Id(s)      : CVE-2007-2839
Debian Bug     : 431893

Steve Kemp from the Debian Security Audit project discovered that
gfax, a GHOME frontend for fax programs, uses temporary files in an
unsafe manner which may be exploited to execute arbitary commands
with the privileges of the root user.

For the old stable distribution (sarge) this problem has been fixed
in version 0.4.2-11sarge1.

The stable distribution (etch) is not affected by this problem.

The unstable distribution (sid) is not affected by this problem.

We recommend that you upgrade your gfax 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 3.1 alias sarge
- --------------------------------

Oldstable updates are available for alpha, amd64, arm, hppa, i386, ia64, m68k, mips, mipsel, powerpc, s390 and sparc.

Source archives:

  https://security.debian.org/pool/updates/main/g/gfax/gfax_0.4.2.orig.tar.gz
    Size/MD5 checksum:   396636 815523780287a97133e85585f0319a20
  https://security.debian.org/pool/updates/main/g/gfax/gfax_0.4.2-11sarge1.diff.gz
    Size/MD5 checksum:    14946 7393373a40448daf52e4b64ff1d4f6a7
  https://security.debian.org/pool/updates/main/g/gfax/gfax_0.4.2-11sarge1.dsc
    Size/MD5 checksum:      632 ed841ab6349ff80527cb49fb1fc6595f

alpha architecture (DEC Alpha)

  https://security.debian.org/pool/updates/main/g/gfax/gfax_0.4.2-11sarge1_alpha.deb
    Size/MD5 checksum:   125376 57c5e15d94699b99fabbf4f692df667e

amd64 architecture (AMD x86_64 (AMD64))

  https://security.debian.org/pool/updates/main/g/gfax/gfax_0.4.2-11sarge1_amd64.deb
    Size/MD5 checksum:   123102 9926dfcd4d62b4407f58f34e31a069c3

arm architecture (ARM)

  https://security.debian.org/pool/updates/main/g/gfax/gfax_0.4.2-11sarge1_arm.deb
    Size/MD5 checksum:   118812 57168963066d0f0473ea9e34f8d208ef

i386 architecture (Intel ia32)

  https://security.debian.org/pool/updates/main/g/gfax/gfax_0.4.2-11sarge1_i386.deb
    Size/MD5 checksum:   122306 1e13b2d599ca2e0a2a63bda455ab13ab

ia64 architecture (Intel ia64)

  https://security.debian.org/pool/updates/main/g/gfax/gfax_0.4.2-11sarge1_ia64.deb
    Size/MD5 checksum:   133284 c87980b9a8895817fce94c40b20f52f7

m68k architecture (Motorola Mc680x0)

  https://security.debian.org/pool/updates/main/g/gfax/gfax_0.4.2-11sarge1_m68k.deb
    Size/MD5 checksum:   117290 8f7352fcec87f588168777690c081f99

s390 architecture (IBM S/390)

  https://security.debian.org/pool/updates/main/g/gfax/gfax_0.4.2-11sarge1_s390.deb
    Size/MD5 checksum:   122588 e23038de978cf94e5d1a710a406797f6

sparc architecture (Sun SPARC/UltraSPARC)

  https://security.debian.org/pool/updates/main/g/gfax/gfax_0.4.2-11sarge1_sparc.deb
    Size/MD5 checksum:   118830 2ed8af350418bdfaebea02e318c1e0f3


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

- ---------------------------------------------------------------------------------
For apt-get: deb https://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
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