Articles / Debian: New fetchmail packa…

Debian: New fetchmail packages fix denial of service

Matthias Andree discovered that fetchmail, an SSL enabled POP3, APOP and IMAP mail gatherer/forwarder, can under certain circumstances attempt to dereference a NULL pointer and crash. Fixed packages are available from security.debian.org.
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Hash: SHA1

- ------------------------------------------------------------------------
Debian Security Advisory DSA-1377                    security@debian.org
http://www.debian.org/security/                               Steve Kemp
September 21, 2007                    http://www.debian.org/security/faq
- ------------------------------------------------------------------------

Package        : fetchmail
Vulnerability  : null pointer dereference
Problem type   : remote
Debian-specific: no
CVE Id(s)      : CVE-2007-4565

Matthias Andree discovered that fetchmail, an SSL enabled POP3, APOP 
and IMAP mail gatherer/forwarder, can under certain circumstances 
attempt to dereference a NULL pointer and crash.

For the stable distribution (etch), this problem has been fixed in
version 6.3.6-1etch1.

For the old stable distribution (sarge), this problem was not present.

For the unstable distribution (sid), this problem will be fixed soon.

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 4.0 alias etch
- -------------------------------

Source archives:

  http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1.diff.gz
    Size/MD5 checksum:    44533 19b72a3a0b2cf08f833ea21c3e18902c
  http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6.orig.tar.gz
    Size/MD5 checksum:  1680200 04175459cdf32fdb10d9e8fc46b633c3
  http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1.dsc
    Size/MD5 checksum:      874 0aa3d869aba6fdfe87d1c4a626f5380e

Architecture independent packages:

  http://security.debian.org/pool/updates/main/f/fetchmail/fetchmailconf_6.3.6-1etch1_all.deb
    Size/MD5 checksum:    61564 f587ce05ee98694f3bd4db0fa88742f7

amd64 architecture (AMD x86_64 (AMD64))

  http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_amd64.deb
    Size/MD5 checksum:   650278 b00d2237d26d9e588e6c03ad17f79a74

arm architecture (ARM)

  http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_arm.deb
    Size/MD5 checksum:   645026 67e5ebf76d55cc857610d3b326784d3c

hppa architecture (HP PA RISC)

  http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_hppa.deb
    Size/MD5 checksum:   654006 58d5770e497d405c1e2f867add9d6f87

ia64 architecture (Intel ia64)

  http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_ia64.deb
    Size/MD5 checksum:   700752 df4c57c97970537cb2f6a885bc03e54d

mips architecture (MIPS (Big Endian))

  http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_mips.deb
    Size/MD5 checksum:   650540 49b888adc52c5bf8d4be82c4b51d68f5

powerpc architecture (PowerPC)

  http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_powerpc.deb
    Size/MD5 checksum:   647060 a278efba96b95e15977628bd85af5c85

s390 architecture (IBM S/390)

  http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_s390.deb
    Size/MD5 checksum:   646896 e520c2c6febf1e756a75b75cbc06c723

sparc architecture (Sun SPARC/UltraSPARC)

  http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_sparc.deb
    Size/MD5 checksum:   641102 938f11eb5071c7e141c6ff8795af87e7


  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 ' and http://packages.debian.org/
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