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Debian Security Advisory: New version of inn2 released

Jan 29, 2001, 08:46 (0 Talkback[s])
(Other stories by Martin Schulze)

Date: Sat, 27 Jan 2001 12:07:58 +0100
From: Martin Schulze
To: Debian Security Announcements
Subject: [SECURITY] [DSA 023-1] New version of inn2 released

Debian Security Advisory DSA-023-1                                                               Martin Schulze 
January 26, 2001

Package        : inn2
Vulnerability  : local tempfile vulnerabilities
Debian-specific: no
1. People at WireX have found several potential insecure uses of temporary files in programs provided by INN2. Some of them only lead to a vulnerability to symlink attacks if the temporary directory was set to /tmp or /var/tmp, which is the case in many installations, at least in Debian packages. An attacker could overwrite any file owned by the news system administrator, i.e. owned by

2. Michal Zalewski found an exploitable buffer overflow with regard to cancel messages and their verification. This bug did only show up if "verifycancels" was enabled in inn.conf which is not the default and has been disrecommended by upstream.

3. Andi Kleen found a bug in INN2 that makes innd crash for two byte headers. There is a chance this can only be exploited with uucp.

We recommend you upgrade your inn2 packages immediately.

wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.
You may use an automated update by adding the resources from the footer to the proper configuration.

Debian GNU/Linux 2.2 alias potato

Potato was released for the alpha, arm, i386, m68k, powerpc and sparc architectures.

Source archives:
MD5 checksum: b028c55deedf4ec35351103cac48bd85
MD5 checksum: d9621c875f3e5c01d6c26ce3f0c522cb
MD5 checksum: fa9ad31115a966b4d81085051801e765

Intel ia32 architecture:
MD5 checksum: 2977d6653f42533938225aa1575aaafa
MD5 checksum: 99c00bc514f528db19eefbbd1a1d31fe
MD5 checksum: b46e664217c6c53172cb8bc35c372a5a

Motorola 680x0 architecture:
MD5 checksum: 1f987988e44bef82fe1f802c0be5ba02
MD5 checksum: be82f2e97709643c1cb2b385a63c51a9
MD5 checksum: 36078955097ec9d490de07e9e1e24c2b

Sun Sparc architecture:
MD5 checksum: 7511a8d1698ac3e5bee17777326b35b2
MD5 checksum: c77d55903592e81968140e079f1c6f77
MD5 checksum: 1f41b1ec85198d719fe9c28e98ec8734

Alpha architecture:
MD5 checksum: 60272664fc901e1208a08f27cd782ade
MD5 checksum: 45387036b992ae2a89e8867bce6936ad
MD5 checksum: 74b59a4d505ea437e2acd2787ba46e06

PowerPC architecture:
MD5 checksum: fe2831aba8e48fd40ed949ad4d43af69
MD5 checksum: 6ff36ece5e2e34fa263c29b3c182b3fb
MD5 checksum: c834bf13621cd56a9bdecc9fd557944d

ARM architecture:
MD5 checksum: 3e545ec01f4f868a89d43e0192e13397
MD5 checksum: 668c9bdf6d048dbe3d7f79020f7d0b66
MD5 checksum: 4ab8315ae897a034707932778dce944f

Architecture independent:
MD5 checksum: 2ebe291616ea17f9cabcae1644d7a5e5

These files will be moved into*/binary-$arch/ soon.

For not yet released architectures please refer to the appropriate directory$arch/ .

For apt-get: deb stable/updates main
For dpkg-ftp: dists/stable/updates/main
Mailing list:
Package info: `apt-cache show <pkg>' and<pkg>