Debian: DSA-2658-1 Critical: PostgreSQL Remote Security Risks

Several vulnerabilities were discovered in PostgreSQL database server.

CVE-2013-1899

Mitsumasa Kondo and Kyotaro Horiguchi of NTT Open Source Software Center
discovered that it was possible for a connection request containing a
database name that begins with "-" to be crafted that can damage or destroy
files within a server's data directory. Anyone with access to the port the
PostgreSQL server listens on can initiate this request.

CVE-2013-1900

Random numbers generated by contrib/pgcrypto functions may be easy for
another database user to guess.

CVE-2013-1901

An unprivileged user could run commands that could interfere with
in-progress backups

For the stable distribution (squeeze), postgresql-9.1 is not available.
DSA-2657-1 has been released for CVE-2013-1900 affecting posgresql-8.4.

For the testing distribution (wheezy), these problems have been fixed in
version 9.1.9-0wheezy1.

For the unstable distribution (sid), these problems have been fixed in
version 9.1.9-1.

...