Debian Security Advisory

DSA-1377-2 fetchmail -- null pointer dereference

Date Reported:

21 Sep 2007

Affected Packages:

fetchmail

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2007-4565.

More information:

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

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

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

We recommend that you upgrade your fetchmail package.

Fixed in:

Debian GNU/Linux 4.0 (etch)

Source:: http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1.diff.gz; http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6.orig.tar.gz; http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1.dsc
Architecture-independent component:: http://security.debian.org/pool/updates/main/f/fetchmail/fetchmailconf_6.3.6-1etch1_all.deb
AMD64:: http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_amd64.deb
ARM:: http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_arm.deb
HP Precision:: http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_hppa.deb
Intel IA-32:: http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_i386.deb
Intel IA-64:: http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_ia64.deb
Big-endian MIPS:: http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_mips.deb
PowerPC:: http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_powerpc.deb
IBM S/390:: http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_s390.deb
Sun Sparc:: http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch1_sparc.deb

MD5 checksums of the listed files are available in the original advisory.