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amazonAmazonALAS-2016-689
HistoryApr 21, 2016 - 4:00 p.m.

Important: postgresql8

2016-04-2116:00:00
alas.aws.amazon.com
17

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.211 Low

EPSS

Percentile

96.4%

Issue Overview:

An integer overflow flaw, leading to a heap-based buffer overflow, was found in the PostgreSQL handling code for regular expressions. A remote attacker could use a specially crafted regular expression to cause PostgreSQL to crash or possibly execute arbitrary code.

Affected Packages:

postgresql8

Issue Correction:
Run yum update postgresql8 to update your system.

New Packages:

i686:  
    postgresql8-devel-8.4.20-5.52.amzn1.i686  
    postgresql8-8.4.20-5.52.amzn1.i686  
    postgresql8-pltcl-8.4.20-5.52.amzn1.i686  
    postgresql8-debuginfo-8.4.20-5.52.amzn1.i686  
    postgresql8-plpython-8.4.20-5.52.amzn1.i686  
    postgresql8-server-8.4.20-5.52.amzn1.i686  
    postgresql8-libs-8.4.20-5.52.amzn1.i686  
    postgresql8-plperl-8.4.20-5.52.amzn1.i686  
    postgresql8-contrib-8.4.20-5.52.amzn1.i686  
    postgresql8-test-8.4.20-5.52.amzn1.i686  
    postgresql8-docs-8.4.20-5.52.amzn1.i686  
  
src:  
    postgresql8-8.4.20-5.52.amzn1.src  
  
x86_64:  
    postgresql8-libs-8.4.20-5.52.amzn1.x86_64  
    postgresql8-docs-8.4.20-5.52.amzn1.x86_64  
    postgresql8-plpython-8.4.20-5.52.amzn1.x86_64  
    postgresql8-server-8.4.20-5.52.amzn1.x86_64  
    postgresql8-devel-8.4.20-5.52.amzn1.x86_64  
    postgresql8-debuginfo-8.4.20-5.52.amzn1.x86_64  
    postgresql8-contrib-8.4.20-5.52.amzn1.x86_64  
    postgresql8-pltcl-8.4.20-5.52.amzn1.x86_64  
    postgresql8-8.4.20-5.52.amzn1.x86_64  
    postgresql8-plperl-8.4.20-5.52.amzn1.x86_64  
    postgresql8-test-8.4.20-5.52.amzn1.x86_64  

Additional References

Red Hat: CVE-2016-0773

Mitre: CVE-2016-0773

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.211 Low

EPSS

Percentile

96.4%