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The remote Oracle Linux host is missing one or more security updates.
From Red Hat Security Advisory 2012:1037 :
Updated postgresql84 and postgresql packages that fix two security
issues are now available for Red Hat Enterprise Linux 5 and 6
The Red Hat Security Response Team has rated this update as having
moderate security impact. Common Vulnerability Scoring System (CVSS)
base scores, which give detailed severity ratings, are available for
each vulnerability from the CVE links in the References section.
PostgreSQL is an advanced object-relational database management system
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.
A denial of service flaw was found in the way the PostgreSQL server
performed a user privileges check when applying SECURITY DEFINER or
SET attributes to a procedural language's (such as PL/Perl or
PL/Python) call handler function. A non-superuser database owner could
use this flaw to cause the PostgreSQL server to crash due to infinite
Upstream acknowledges Rubin Xu and Joseph Bonneau as the original
reporters of the CVE-2012-2143 issue.
These updated packages upgrade PostgreSQL to version 8.4.12, which
fixes these issues as well as several non-security issues. Refer to
the PostgreSQL Release Notes for a full list of changes :
All PostgreSQL users are advised to upgrade to these updated packages,
which correct these issues. If the postgresql service is running, it
will be automatically restarted after installing this update.
See also :
Update the affected postgresql and / or postgresql84 packages.
Risk factor :
Medium / CVSS Base Score : 4.3
CVSS Temporal Score : 3.6
Public Exploit Available : true
Family: Oracle Linux Local Security Checks
Nessus Plugin ID: 68568 ()
Bugtraq ID: 521885372953812
CVE ID: CVE-2012-2143CVE-2012-2655
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