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Debian Linux Security Advisory 774-1

Debian Linux Security Advisory 774-1
Posted Aug 13, 2005
Authored by Debian | Site security.debian.org

Debian Security Advisory DSA 774-1 - Edward Shornock discovered a bug in the UIDL handling code of fetchmail, a common POP3, APOP and IMAP mail fetching utility. A malicious POP3 server could exploit this problem and inject arbitrary code that will be executed on the victim host. If fetchmail is running as root, this becomes a root exploit.

tags | advisory, arbitrary, root, imap
systems | linux, debian
advisories | CVE-2005-2335
SHA-256 | e30a4b05419887264e05a08c16a5de24bfb39591623bf714786afdb00b2b9703

Debian Linux Security Advisory 774-1

Change Mirror Download
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- --------------------------------------------------------------------------
Debian Security Advisory DSA 774-1 security@debian.org
http://www.debian.org/security/ Martin Schulze
August 12th, 2005 http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package : fetchmail
Vulnerability : buffer overflow
Problem-Type : remote
Debian-specific: no
CVE ID : CAN-2005-2335
CERT advisory :
BugTraq ID : 14349
Debian Bug : 212762

Edward Shornock discovered a bug in the UIDL handling code of
fetchmail, a common POP3, APOP and IMAP mail fetching utility. A
malicious POP3 server could exploit this problem and inject arbitrary
code that will be executed on the victim host. If fetchmail is
running as root, this becomes a root exploit.

the old stable distribution (woody) is not affected by this problem.

For the stable distribution (sarge) this problem has been fixed in
version 6.2.5-12sarge1.

For the unstable distribution (sid) this problem has been fixed in
version 6.2.5-16.

We recommend that you upgrade your fetchmail 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
- --------------------------------

Source archives:

http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1.dsc
Size/MD5 checksum: 650 3eb739416b5b7a906b56b3145cf1ba32
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1.diff.gz
Size/MD5 checksum: 150578 12cdd33c6299e840ffcf3cfa00eb2e0e
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5.orig.tar.gz
Size/MD5 checksum: 1257376 9956b30139edaa4f5f77c4d0dbd80225

Architecture independent components:

http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail-ssl_6.2.5-12sarge1_all.deb
Size/MD5 checksum: 42268 593148b798ec57fbca09340ecb139c1e
http://security.debian.org/pool/updates/main/f/fetchmail/fetchmailconf_6.2.5-12sarge1_all.deb
Size/MD5 checksum: 101356 c7e81ed2ef2c7375e3afb9d937a1aa91

Alpha architecture:

http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_alpha.deb
Size/MD5 checksum: 572940 7426819c3db555eb6c1b5bf866b2113d

AMD64 architecture:

http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_amd64.deb
Size/MD5 checksum: 554678 56223b7979f4e4410c05620d153a01ba

ARM architecture:

http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_arm.deb
Size/MD5 checksum: 549146 b8f0493390f4aa713004f913f2696e73

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_i386.deb
Size/MD5 checksum: 548184 4b004ec450045c4d0d4b9fda7d9b04cc

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_ia64.deb
Size/MD5 checksum: 597056 5a7e4a0f676edeed83bd3e48d4747b57

HP Precision architecture:

http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_hppa.deb
Size/MD5 checksum: 561656 5ed8c10d345f358e85f58937e7aa79c9

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_m68k.deb
Size/MD5 checksum: 537964 8ce1a7e8de2858d8b9166c7166309173

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_mips.deb
Size/MD5 checksum: 556648 ee365e9943ae1646eb6ac051c6645833

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_mipsel.deb
Size/MD5 checksum: 556388 5f07b01938a6171da1c319006700ec93

PowerPC architecture:

http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_powerpc.deb
Size/MD5 checksum: 556168 55c628ab054ef7022c679e15edde8fae

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_s390.deb
Size/MD5 checksum: 554510 5457354b0ee7ed5c735c582408396154

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.2.5-12sarge1_sparc.deb
Size/MD5 checksum: 549168 db954a1eafe045ff6f2eb4c3c64abf3f


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
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>

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