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amazonAmazonALAS-2012-091
HistoryJun 19, 2012 - 4:02 p.m.

Medium: postgresql9

2012-06-1916:02:00
alas.aws.amazon.com
14

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

58.7%

Issue Overview:

The crypt_des (aka DES-based crypt) function in FreeBSD before 9.0-RELEASE-p2, as used in PHP, PostgreSQL, and other products, does not process the complete cleartext password if this password contains a 0x80 character, which makes it easier for context-dependent attackers to obtain access via an authentication attempt with an initial substring of the intended password, as demonstrated by a Unicode password.

Affected Packages:

postgresql9

Issue Correction:
Run yum update postgresql9 to update your system.

New Packages:

i686:  
    postgresql9-debuginfo-9.1.4-1.21.amzn1.i686  
    postgresql9-9.1.4-1.21.amzn1.i686  
    postgresql9-server-9.1.4-1.21.amzn1.i686  
    postgresql9-libs-9.1.4-1.21.amzn1.i686  
    postgresql9-test-9.1.4-1.21.amzn1.i686  
    postgresql9-contrib-9.1.4-1.21.amzn1.i686  
    postgresql9-plpython-9.1.4-1.21.amzn1.i686  
    postgresql9-plperl-9.1.4-1.21.amzn1.i686  
    postgresql9-devel-9.1.4-1.21.amzn1.i686  
    postgresql9-pltcl-9.1.4-1.21.amzn1.i686  
    postgresql9-docs-9.1.4-1.21.amzn1.i686  
  
src:  
    postgresql9-9.1.4-1.21.amzn1.src  
  
x86_64:  
    postgresql9-server-9.1.4-1.21.amzn1.x86_64  
    postgresql9-test-9.1.4-1.21.amzn1.x86_64  
    postgresql9-plpython-9.1.4-1.21.amzn1.x86_64  
    postgresql9-contrib-9.1.4-1.21.amzn1.x86_64  
    postgresql9-docs-9.1.4-1.21.amzn1.x86_64  
    postgresql9-libs-9.1.4-1.21.amzn1.x86_64  
    postgresql9-devel-9.1.4-1.21.amzn1.x86_64  
    postgresql9-9.1.4-1.21.amzn1.x86_64  
    postgresql9-debuginfo-9.1.4-1.21.amzn1.x86_64  
    postgresql9-pltcl-9.1.4-1.21.amzn1.x86_64  
    postgresql9-plperl-9.1.4-1.21.amzn1.x86_64  

Additional References

Red Hat: CVE-2012-2143

Mitre: CVE-2012-2143

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

58.7%