Debian Security Advisory

DSA-1022-1 storebackup -- several vulnerabilities

Date Reported:
04 Apr 2006
Affected Packages:
storebackup
Vulnerable:
Yes
Security database references:
In the Debian bugtracking system: Bug 332434.
In Mitre's CVE dictionary: CVE-2005-3146, CVE-2005-3147, CVE-2005-3148.
More information:

Several vulnerabilities have been discovered in the backup utility storebackup. The Common Vulnerabilities and Exposures project identifies the following problems:

  • CVE-2005-3146

    Storebackup creates a temporary file predictably, which can be exploited to overwrite arbitrary files on the system with a symlink attack.

  • CVE-2005-3147

    The backup root directory wasn't created with fixed permissions, which may lead to inproper permissions if the umask is too lax.

  • CVE-2005-3148

    The user and group rights of symlinks are set incorrectly when making or restoring a backup, which may leak sensitive data.

The old stable distribution (woody) doesn't contain storebackup packages.

For the stable distribution (sarge) these problems have been fixed in version 1.18.4-2sarge1.

For the unstable distribution (sid) these problems have been fixed in version 1.19-2.

We recommend that you upgrade your storebackup package.

Fixed in:

Debian GNU/Linux 3.1 (sarge)

Source:
http://security.debian.org/pool/updates/main/s/storebackup/storebackup_1.18.4-2sarge1.dsc
http://security.debian.org/pool/updates/main/s/storebackup/storebackup_1.18.4-2sarge1.diff.gz
http://security.debian.org/pool/updates/main/s/storebackup/storebackup_1.18.4.orig.tar.gz
Architecture-independent component:
http://security.debian.org/pool/updates/main/s/storebackup/storebackup_1.18.4-2sarge1_all.deb

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