Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2013.0477
postgresql-8.4 security update
5 April 2013
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AusCERT Security Bulletin Summary
---------------------------------
Product: postgresql
Publisher: Debian
Operating System: Debian GNU/Linux 6
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Modify Arbitrary Files -- Remote/Unauthenticated
Delete Arbitrary Files -- Remote/Unauthenticated
Denial of Service -- Existing Account
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2013-1901 CVE-2013-1900 CVE-2013-1899
Original Bulletin:
http://www.debian.org/security/2013/dsa-2657
http://www.debian.org/security/2013/dsa-2658
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running postgresql check for an updated version of the software for
their operating system.
This bulletin contains two (2) Debian security advisories.
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Debian Security Advisory DSA-2657-1 security@debian.org
http://www.debian.org/security/ Giuseppe Iuculano
April 04, 2013 http://www.debian.org/security/faq
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Package : postgresql-8.4
Vulnerability : guessable random numbers
Problem type : remote
Debian-specific: no
CVE ID : CVE-2013-1900
A vulnerability was discovered in PostgreSQL database server. Random numbers
generated by contrib/pgcrypto functions may be easy for another database user
to guess.
For the stable distribution (squeeze), this problem has been fixed in
version 8.4.17-0squeeze1.
For the testing (wheezy) and unstable distribution (sid), postgresql-8.4
packages have been removed; in those, this problem has been fixed in
postgresql-9.1 9.1.9-0wheezy1 (wheezy), and 9.1.9-1 (sid) respectively.
NOTE: postgresql-8.4 in Squeeze is not affected by CVE-2013-1899 (database
files corruption) and CVE-2013-1901 (unprivileged user can interfere with
in-progress backups).
We recommend that you upgrade your postgresql-8.4 packages.
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org
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Debian Security Advisory DSA-2658-1 security@debian.org
http://www.debian.org/security/ Giuseppe Iuculano
April 04, 2013 http://www.debian.org/security/faq
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Package : postgresql-9.1
Vulnerability : several
Problem type : remote
Debian-specific: no
CVE ID : CVE-2013-1899 CVE-2013-1900 CVE-2013-1901
Debian Bug : 704479
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.
We recommend that you upgrade your postgresql-9.1 packages.
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org
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