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AUSCERT External Security Bulletin Redistribution
ESB-2005.0665 -- Debian Security Advisory DSA 787-1
New backup-manager package fixes several vulnerabilities
29 August 2005
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AusCERT Security Bulletin Summary
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Product: backup-manager
Publisher: Debian
Operating System: Debian GNU/Linux 3.1
UNIX variants
Impact: Access Confidential Data
Overwrite Arbitrary Files
Access: Existing Account
CVE Names: CAN-2005-1856 CAN-2005-1855
Original Bulletin: http://www.debian.org/security/2005/dsa-787
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Debian Security Advisory DSA 787-1 security@debian.org
http://www.debian.org/security/ Martin Schulze
August 26th, 2005 http://www.debian.org/security/faq
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Package : backup manager
Vulnerability : insecure permissions and tempfile
Problem-Type : local
Debian-specific: no
CVE ID : CAN-2005-1855 CAN-2005-1856
Debian Bug : 308897 315582
Two bugs have been found in backup-manager, a command-line driven
backup utility. The Common Vulnerabilities and Exposures project
identifies the following problems:
CAN-2005-1855
Jeroen Vermeulen discovered that backup files are created with
default permissions making them world readable, even though they
may contain sensitive information.
CAN-2005-1856
Sven Joachim discovered that the optional CD-burning feature of
backup-manager uses a hardcoded filename in a world-writable
directory for logging. This can be subject to a symlink attack.
The old stable distribution (woody) does not provide the
backup-manager package.
For the stable distribution (sarge) these problems have been fixed in
version 0.5.7-1sarge1.
For the unstable distribution (sid) these problems have been fixed in
version 0.5.8-2.
We recommend that you upgrade your backup-manager package.
Upgrade Instructions
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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
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Source archives:
http://security.debian.org/pool/updates/main/b/backup-manager/backup-manager_0.5.7-1sarge1.dsc
Size/MD5 checksum: 631 6b20ee3cd0439df2e95819d5001f7e53
http://security.debian.org/pool/updates/main/b/backup-manager/backup-manager_0.5.7-1sarge1.diff.gz
Size/MD5 checksum: 17938 a6f1ae5f8555c17c9db3a0fc2ba9ec7a
http://security.debian.org/pool/updates/main/b/backup-manager/backup-manager_0.5.7.orig.tar.gz
Size/MD5 checksum: 35661 a97a66d03c4a05072924998f48f7b5d6
Architecture independent components:
http://security.debian.org/pool/updates/main/b/backup-manager/backup-manager_0.5.7-1sarge1_all.deb
Size/MD5 checksum: 30550 3bbe99ebf51f69ca80a93e19a64880ac
These files will probably be moved into the stable distribution on
its next update.
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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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