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amazonAmazonALAS-2012-093
HistoryJul 05, 2012 - 4:07 p.m.

Important: mysql55

2012-07-0516:07:00
alas.aws.amazon.com
26

5.1 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.968 High

EPSS

Percentile

99.7%

Issue Overview:

sql/password.c in Oracle MySQL 5.1.x before 5.1.63, 5.5.x before 5.5.24, and 5.6.x before 5.6.6, and MariaDB 5.1.x before 5.1.62, 5.2.x before 5.2.12, 5.3.x before 5.3.6, and 5.5.x before 5.5.23, when running in certain environments with certain implementations of the memcmp function, allows remote attackers to bypass authentication by repeatedly authenticating with the same incorrect password, which eventually causes a token comparison to succeed due to an improperly-checked return value.

Affected Packages:

mysql55

Issue Correction:
Run yum update mysql55 to update your system.

New Packages:

i686:  
    mysql55-embedded-devel-5.5.24-1.24.amzn1.i686  
    mysql55-debuginfo-5.5.24-1.24.amzn1.i686  
    mysql55-server-5.5.24-1.24.amzn1.i686  
    mysql55-common-5.5.24-1.24.amzn1.i686  
    mysql55-test-5.5.24-1.24.amzn1.i686  
    mysql55-embedded-5.5.24-1.24.amzn1.i686  
    mysql55-bench-5.5.24-1.24.amzn1.i686  
    mysql55-libs-5.5.24-1.24.amzn1.i686  
    mysql55-5.5.24-1.24.amzn1.i686  
    mysql55-devel-5.5.24-1.24.amzn1.i686  
  
src:  
    mysql55-5.5.24-1.24.amzn1.src  
  
x86_64:  
    mysql55-libs-5.5.24-1.24.amzn1.x86_64  
    mysql55-test-5.5.24-1.24.amzn1.x86_64  
    mysql55-embedded-devel-5.5.24-1.24.amzn1.x86_64  
    mysql55-debuginfo-5.5.24-1.24.amzn1.x86_64  
    mysql55-bench-5.5.24-1.24.amzn1.x86_64  
    mysql55-common-5.5.24-1.24.amzn1.x86_64  
    mysql55-5.5.24-1.24.amzn1.x86_64  
    mysql55-devel-5.5.24-1.24.amzn1.x86_64  
    mysql55-server-5.5.24-1.24.amzn1.x86_64  
    mysql55-embedded-5.5.24-1.24.amzn1.x86_64  

Additional References

Red Hat: CVE-2012-2122

Mitre: CVE-2012-2122

5.1 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.968 High

EPSS

Percentile

99.7%