Package : gzip Vulnerability : several Problem-Type : local (remote) Debian-specific: no CVE ID : CAN-2005-0988 CAN-2005-1228 Debian Bug : 305255
Two problems have been discovered in gzip, the GNU compression utility. The Common Vulnerabilities and Exposures project identifies the following problems.
Imran Ghory discovered a race condition in the permissions setting code in gzip. When decompressing a file in a directory an attacker has access to, gunzip could be tricked to set the file permissions to a different file the user has permissions to.
Ulf Härnhammar discovered a path traversal vulnerability in gunzip. When gunzip is used with the -N option an attacker could this vulnerability to create files in an arbitrary directory with the permissions of the user.
For the oldstable distribution (woody) these problems have been fixed in version 1.3.2-3woody5.
For the stable distribution (sarge) these problems have been fixed in version 1.3.5-10.
For the unstable distribution (sid) these problems have been fixed in version 1.3.5-10.
We recommend that you upgrade your gzip package.
Upgrade Instructions - --------------------
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 3.0 alias woody - --------------------------------