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USN-726-1: curl vulnerability

3 March 2009

curl vulnerability




It was discovered that curl did not enforce any restrictions when following
URL redirects. If a user or automated system were tricked into opening a URL to
an untrusted server, an attacker could use redirects to gain access to abitrary
files. This update changes curl behavior to prevent following "file" URLs after
a redirect.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 8.10
Ubuntu 8.04
Ubuntu 7.10
Ubuntu 6.06

In general, a standard system upgrade is sufficient to effect the
necessary changes.