Debian Security Advisory

DSA-1674-1 jailer -- insecure temp file generation

Date Reported:
30 Nov 2008
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 410548.
In Mitre's CVE dictionary: CVE-2008-5139.
More information:

Javier Fernandez-Sanguino Pena discovered that updatejail, a component of the chroot maintenance tool Jailer, creates a predictable temporary file name, which may lead to local denial of service through a symlink attack.

For the stable distribution (etch), this problem has been fixed in version 0.4-9+etch1.

For the upcoming stable distribution (lenny) and the unstable distribution (sid), this problem has been fixed in version 0.4-10.

We recommend that you upgrade your jailer package.

Fixed in:

Debian GNU/Linux 4.0 (etch)

Architecture-independent component:

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