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Test ID:1.3.6.1.4.1.25623.1.0.870783
Category:Red Hat Local Security Checks
Title:RedHat Update for postgresql RHSA-2012:1036-01
Summary:The remote host is missing an update for the 'postgresql'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'postgresql'
package(s) announced via the referenced advisory.

Vulnerability Insight:
PostgreSQL is an advanced object-relational database management system
(DBMS).

A flaw was found in the way the crypt() password hashing function from the
optional PostgreSQL pgcrypto contrib module performed password
transformation when used with the DES algorithm. If the password string to
be hashed contained the 0x80 byte value, the remainder of the string was
ignored when calculating the hash, significantly reducing the password
strength. This made brute-force guessing more efficient as the whole
password was not required to gain access to protected resources.
(CVE-2012-2143)

Note: With this update, the rest of the string is properly included in the
DES hash. Therefore, any previously stored password values that are
affected by this issue will no longer match. In such cases, it will be
necessary for those stored password hashes to be updated.

Upstream acknowledges Rubin Xu and Joseph Bonneau as the original reporters
of this issue.

All PostgreSQL users are advised to upgrade to these updated packages,
which contain a backported patch to correct this issue. If the postgresql
service is running, it will be automatically restarted after installing
this update.

Affected Software/OS:
postgresql on Red Hat Enterprise Linux (v. 5 server)

Solution:
Please Install the Updated Packages.

CVSS Score:
4.3

CVSS Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2012-2143
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
Debian Security Information: DSA-2491 (Google Search)
http://www.debian.org/security/2012/dsa-2491
http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082258.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082294.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082292.html
FreeBSD Security Advisory: FreeBSD-SA-12:02
http://security.freebsd.org/advisories/FreeBSD-SA-12:02.crypt.asc
http://www.mandriva.com/security/advisories?name=MDVSA-2012:092
RedHat Security Advisories: RHSA-2012:1037
http://rhn.redhat.com/errata/RHSA-2012-1037.html
http://www.securitytracker.com/id?1026995
http://secunia.com/advisories/49304
http://secunia.com/advisories/50718
SuSE Security Announcement: SUSE-SU-2012:0840 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00003.html
SuSE Security Announcement: openSUSE-SU-2012:1251 (Google Search)
http://lists.opensuse.org/opensuse-updates/2012-09/msg00102.html
SuSE Security Announcement: openSUSE-SU-2012:1288 (Google Search)
http://lists.opensuse.org/opensuse-updates/2012-10/msg00013.html
SuSE Security Announcement: openSUSE-SU-2012:1299 (Google Search)
http://lists.opensuse.org/opensuse-updates/2012-10/msg00024.html
CopyrightCopyright (c) 2012 Greenbone Networks GmbH

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