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Debian Security Advisory DSA-259-1 security@debian.org
http://www.debian.org/security/ Michael Stone
March 12, 2003 http://www.debian.org/security/faq
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Package: qpopper
Vulnerability: mail user privilege escalation
Debian-specific: no
Florian Heinz <heinz@xxxxxxxxxxxx> posted to the Bugtraq mailing list an
exploit for qpopper based on a bug in the included vsnprintf implementation.
The sample exploit requires a valid user account and password, and overflows a
string in the pop_msg() function to give the user "mail" group privileges and a
shell on the system. Since the Qvsnprintf function is used elsewhere in
qpopper, additional exploits may be possible.
The qpopper package in Debian 2.2 (potato) does not include the vulnerable
snprintf implementation. For Debian 3.0 (woody) an updated package is available
in version 4.0.4-2.woody.3. Users running an unreleased version of Debian
should upgrade to 4.0.4-9 or newer. We recommend you upgrade your qpopper
package immediately.
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.
For not yet released architectures please refer to the appropriate
directory ftp://ftp.debian.org/debian/dists/sid/binary-$arch/ .
Debian 3.0 (stable)
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Stable was released for alpha, arm, hppa, i386, ia64, m68k, mips, mipsel, powerpc, s390 and sparc.
Source archives:
http://security.debian.org/pool/updates/main/q/qpopper/qpopper_4.0.4-2.woody.3.diff.gz
Size/MD5 checksum: 17597 616085ddf35ce9411138ab75418de581
http://security.debian.org/pool/updates/main/q/qpopper/qpopper_4.0.4.orig.tar.gz
Size/MD5 checksum: 2261992 77f0968cd10b0d5236114838d9f507e5
http://security.debian.org/pool/updates/main/q/qpopper/qpopper_4.0.4-2.woody.3.dsc
Size/MD5 checksum: 755 20d92c6f738531ea0e88952aaf25f657
alpha architecture (DEC Alpha)
http://security.debian.org/pool/updates/main/q/qpopper/qpopper_4.0.4-2.woody.3_alpha.deb
Size/MD5 checksum: 458262 47ad6c478b9c0e51bc342d0af9f05f25
http://security.debian.org/pool/updates/main/q/qpopper/qpopper-drac_4.0.4-2.woody.3_alpha.deb
Size/MD5 checksum: 459040 fe910c2aa4af88eb54aa083fe8a112d5
arm architecture (ARM)
http://security.debian.org/pool/updates/main/q/qpopper/qpopper_4.0.4-2.woody.3_arm.deb
Size/MD5 checksum: 433164 4d5e9c9f5958499abbd782839a0071f7
http://security.debian.org/pool/updates/main/q/qpopper/qpopper-drac_4.0.4-2.woody.3_arm.deb
Size/MD5 checksum: 433986 6aed1bc4b62538159430a1609d6ee677
hppa architecture (HP PA RISC)
http://security.debian.org/pool/updates/main/q/qpopper/qpopper-drac_4.0.4-2.woody.3_hppa.deb
Size/MD5 checksum: 443738 f25659b295630a8596f32013d6934acc
http://security.debian.org/pool/updates/main/q/qpopper/qpopper_4.0.4-2.woody.3_hppa.deb
Size/MD5 checksum: 442642 1a50380c3d06a7b187a3b9b6eb070c52
i386 architecture (Intel ia32)
http://security.debian.org/pool/updates/main/q/qpopper/qpopper_4.0.4-2.woody.3_i386.deb
Size/MD5 checksum: 423226 6a00f3aacf1a94586fc83e92894e0f3a
http://security.debian.org/pool/updates/main/q/qpopper/qpopper-drac_4.0.4-2.woody.3_i386.deb
Size/MD5 checksum: 424134 b80a81713471f455c6753e8282f1171d
ia64 architecture (Intel ia64)
http://security.debian.org/pool/updates/main/q/qpopper/qpopper-drac_4.0.4-2.woody.3_ia64.deb
Size/MD5 checksum: 485762 05d0d18b15afd1a0d226c1a1475db46b
http://security.debian.org/pool/updates/main/q/qpopper/qpopper_4.0.4-2.woody.3_ia64.deb
Size/MD5 checksum: 484806 91a028b1c2ae3f9f46724d73a22ca207
m68k architecture (Motorola Mc680x0)
http://security.debian.org/pool/updates/main/q/qpopper/qpopper_4.0.4-2.woody.3_m68k.deb
Size/MD5 checksum: 416152 8a6c88357f3cba4e9e476622aabf24ed
http://security.debian.org/pool/updates/main/q/qpopper/qpopper-drac_4.0.4-2.woody.3_m68k.deb
Size/MD5 checksum: 417078 40d2cf356478c5118f1b3cd34089cdd9
mips architecture (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/q/qpopper/qpopper-drac_4.0.4-2.woody.3_mips.deb
Size/MD5 checksum: 439804 0745fd47dcc5866c5b2959e05e71c887
http://security.debian.org/pool/updates/main/q/qpopper/qpopper_4.0.4-2.woody.3_mips.deb
Size/MD5 checksum: 439032 761f1d0d35077248e67aec7c781ee298
mipsel architecture (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/q/qpopper/qpopper-drac_4.0.4-2.woody.3_mipsel.deb
Size/MD5 checksum: 440472 e34fc8e7cee49c7fb6078647cb9fda8c
http://security.debian.org/pool/updates/main/q/qpopper/qpopper_4.0.4-2.woody.3_mipsel.deb
Size/MD5 checksum: 439190 c38aa7a39e4a3576a0ccc095c116a047
powerpc architecture (PowerPC)
http://security.debian.org/pool/updates/main/q/qpopper/qpopper-drac_4.0.4-2.woody.3_powerpc.deb
Size/MD5 checksum: 433784 347933c60ea9c6141a6841dc635162e1
http://security.debian.org/pool/updates/main/q/qpopper/qpopper_4.0.4-2.woody.3_powerpc.deb
Size/MD5 checksum: 433174 96b976ec3699f271624cd6e3636b3a60
s390 architecture (IBM S/390)
http://security.debian.org/pool/updates/main/q/qpopper/qpopper-drac_4.0.4-2.woody.3_s390.deb
Size/MD5 checksum: 429504 cc439406d24627b7ecdf8c68430f1739
http://security.debian.org/pool/updates/main/q/qpopper/qpopper_4.0.4-2.woody.3_s390.deb
Size/MD5 checksum: 428378 378aacc3dd88bacd05ac0dfc5f986c7f
sparc architecture (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/q/qpopper/qpopper-drac_4.0.4-2.woody.3_sparc.deb
Size/MD5 checksum: 435246 5bae131b4c78401e0067070f74a82108
http://security.debian.org/pool/updates/main/q/qpopper/qpopper_4.0.4-2.woody.3_sparc.deb
Size/MD5 checksum: 434584 d35bab252208ca7a4de67e2513638b9d
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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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