DSA-1114-1 hashcash -- buffer overflow

Debian Security Advisory

DSA-1114-1 hashcash -- buffer overflow

Date Reported:

21 Jul 2006

Affected Packages:

hashcash

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 376444.
In the Bugtraq database (at SecurityFocus): BugTraq ID 18659.
In Mitre's CVE dictionary: CVE-2006-3251.

More information:

Andreas Seltenreich discovered a buffer overflow in hashcash, a postage payment scheme for email that is based on hash calculations, which could allow attackers to execute arbitrary code via specially crafted entries.

For the stable distribution (sarge) this problem has been fixed in version 1.17-1sarge1.

For the unstable distribution (sid) this problem has been fixed in version 1.21-1.

We recommend that you upgrade your hashcash package.

Fixed in:

Debian GNU/Linux 3.1 (sarge)

Source:

http://security.debian.org/pool/updates/main/h/hashcash/hashcash_1.17-1sarge1.dsc

http://security.debian.org/pool/updates/main/h/hashcash/hashcash_1.17-1sarge1.diff.gz

http://security.debian.org/pool/updates/main/h/hashcash/hashcash_1.17.orig.tar.gz

Alpha:

http://security.debian.org/pool/updates/main/h/hashcash/hashcash_1.17-1sarge1_alpha.deb

AMD64:

http://security.debian.org/pool/updates/main/h/hashcash/hashcash_1.17-1sarge1_amd64.deb

ARM:

http://security.debian.org/pool/updates/main/h/hashcash/hashcash_1.17-1sarge1_arm.deb

Intel IA-32:

http://security.debian.org/pool/updates/main/h/hashcash/hashcash_1.17-1sarge1_i386.deb

Intel IA-64:

http://security.debian.org/pool/updates/main/h/hashcash/hashcash_1.17-1sarge1_ia64.deb

HPPA:

http://security.debian.org/pool/updates/main/h/hashcash/hashcash_1.17-1sarge1_hppa.deb

Motorola 680x0:

http://security.debian.org/pool/updates/main/h/hashcash/hashcash_1.17-1sarge1_m68k.deb

Big endian MIPS:

http://security.debian.org/pool/updates/main/h/hashcash/hashcash_1.17-1sarge1_mips.deb

Little endian MIPS:

http://security.debian.org/pool/updates/main/h/hashcash/hashcash_1.17-1sarge1_mipsel.deb

PowerPC:

http://security.debian.org/pool/updates/main/h/hashcash/hashcash_1.17-1sarge1_powerpc.deb

IBM S/390:

http://security.debian.org/pool/updates/main/h/hashcash/hashcash_1.17-1sarge1_s390.deb

Sun Sparc:

http://security.debian.org/pool/updates/main/h/hashcash/hashcash_1.17-1sarge1_sparc.deb

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