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Debian Security Advisory DSA-2085-1 security@debian.org
http://www.debian.org/security/ Sebastien Delafond
August 03, 2010 http://www.debian.org/security/faq
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Package : lftp
Vulnerability : missing input validation
Problem type : remote (local)
Debian-specific: no
CVE Id : CVE-2010-2251
It was discovered that in lftp, a command-line HTTP/FTP client, there is
no proper validation of the filename provided by the server through the
Content-Disposition header; attackers can use this flaw by suggesting a
filename they wish to overwrite on the client machine, and then possibly
execute arbitrary code (for instance if the attacker elects to write a
dotfile in a home directory).
For the stable distribution (lenny), this problem has been fixed in
version 3.7.3-1+lenny1.
For the testing distribution (squeeze), this problem has been fixed in
version 4.0.6-1.
For the unstable distribution (sid), this problem has been fixed in
version 4.0.6-1.
We recommend that you upgrade your lftp 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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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/l/lftp/lftp_3.7.3-1+lenny1.dsc
Size/MD5 checksum: 1059 64112d74da53a2b3fc9336618115e1eb
http://security.debian.org/pool/updates/main/l/lftp/lftp_3.7.3-1+lenny1.diff.gz
Size/MD5 checksum: 13674 09040587c1e33a732682d425a3627da2
http://security.debian.org/pool/updates/main/l/lftp/lftp_3.7.3.orig.tar.gz
Size/MD5 checksum: 1844300 576a7b1249038ba761325671dd2eba26
alpha architecture (DEC Alpha)
http://security.debian.org/pool/updates/main/l/lftp/lftp_3.7.3-1+lenny1_alpha.deb
Size/MD5 checksum: 711424 91c615f46c5dc48adc6dd45d20076b9a
amd64 architecture (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/l/lftp/lftp_3.7.3-1+lenny1_amd64.deb
Size/MD5 checksum: 656172 15b40a343fecd7984b95e32dcda6eeed
arm architecture (ARM)
http://security.debian.org/pool/updates/main/l/lftp/lftp_3.7.3-1+lenny1_arm.deb
Size/MD5 checksum: 574538 63404d61be53f9d459ee8171e027b9c2
armel architecture (ARM EABI)
http://security.debian.org/pool/updates/main/l/lftp/lftp_3.7.3-1+lenny1_armel.deb
Size/MD5 checksum: 581470 7d80d23b595a9a087c76b6bcdf83e285
hppa architecture (HP PA RISC)
http://security.debian.org/pool/updates/main/l/lftp/lftp_3.7.3-1+lenny1_hppa.deb
Size/MD5 checksum: 671790 1cebd061da662b9cf2479eeea5c8f9a1
i386 architecture (Intel ia32)
http://security.debian.org/pool/updates/main/l/lftp/lftp_3.7.3-1+lenny1_i386.deb
Size/MD5 checksum: 586716 e86f9d7ae3e182c90f85b1f92924ba1c
ia64 architecture (Intel ia64)
http://security.debian.org/pool/updates/main/l/lftp/lftp_3.7.3-1+lenny1_ia64.deb
Size/MD5 checksum: 877390 ae790318fc5101487f6871bc108ae091
mips architecture (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/l/lftp/lftp_3.7.3-1+lenny1_mips.deb
Size/MD5 checksum: 649034 334ee6e763e7de4c1efd7b55875e1d04
mipsel architecture (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/l/lftp/lftp_3.7.3-1+lenny1_mipsel.deb
Size/MD5 checksum: 647518 409d0d333d2370f7003ff54a4a11cab3
powerpc architecture (PowerPC)
http://security.debian.org/pool/updates/main/l/lftp/lftp_3.7.3-1+lenny1_powerpc.deb
Size/MD5 checksum: 613568 9bd37572fc37a038c5f17bb626a72634
s390 architecture (IBM S/390)
http://security.debian.org/pool/updates/main/l/lftp/lftp_3.7.3-1+lenny1_s390.deb
Size/MD5 checksum: 633538 e7b2bd269c910bd39c6cd924b62b4059
sparc architecture (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/l/lftp/lftp_3.7.3-1+lenny1_sparc.deb
Size/MD5 checksum: 585096 85f9f06f175d544e0ac380a29e2e00e3
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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