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amazonAmazonALAS-2013-165
HistoryMar 02, 2013 - 4:51 p.m.

Medium: openssh

2013-03-0216:51:00
alas.aws.amazon.com
16

6.2 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

5.2%

Issue Overview:

Due to the way the pam_ssh_agent_auth PAM module was built, the glibc’s error() function was called rather than the intended error() function in pam_ssh_agent_auth to report errors. As these two functions expect different arguments, it was possible for an attacker to cause an application using pam_ssh_agent_auth to crash, disclose portions of its memory or, potentially, execute arbitrary code. (CVE-2012-5536)

Affected Packages:

openssh

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

New Packages:

i686:  
    openssh-ldap-5.3p1-84.20.amzn1.i686  
    pam_ssh_agent_auth-0.9.3-84.20.amzn1.i686  
    openssh-server-5.3p1-84.20.amzn1.i686  
    openssh-clients-5.3p1-84.20.amzn1.i686  
    openssh-debuginfo-5.3p1-84.20.amzn1.i686  
    openssh-5.3p1-84.20.amzn1.i686  
  
src:  
    openssh-5.3p1-84.20.amzn1.src  
  
x86_64:  
    openssh-clients-5.3p1-84.20.amzn1.x86_64  
    openssh-ldap-5.3p1-84.20.amzn1.x86_64  
    openssh-server-5.3p1-84.20.amzn1.x86_64  
    openssh-5.3p1-84.20.amzn1.x86_64  
    openssh-debuginfo-5.3p1-84.20.amzn1.x86_64  
    pam_ssh_agent_auth-0.9.3-84.20.amzn1.x86_64  

Additional References

Red Hat: CVE-2012-5536

Mitre: CVE-2012-5536

6.2 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

5.2%