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K
amazonAmazonALAS-2013-182
HistoryApr 18, 2013 - 1:58 p.m.

Medium: krb5

2013-04-1813:58:00
alas.aws.amazon.com
14

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.956 High

EPSS

Percentile

99.4%

Issue Overview:

A NULL pointer dereference flaw was found in the way the MIT Kerberos KDC processed certain TGS (Ticket-granting Server) requests. A remote, authenticated attacker could use this flaw to crash the KDC via a specially-crafted TGS request. (CVE-2013-1416)

Affected Packages:

krb5

Issue Correction:
Run yum update krb5 to update your system.

New Packages:

i686:  
    krb5-devel-1.10.3-10.25.amzn1.i686  
    krb5-workstation-1.10.3-10.25.amzn1.i686  
    krb5-server-1.10.3-10.25.amzn1.i686  
    krb5-server-ldap-1.10.3-10.25.amzn1.i686  
    krb5-debuginfo-1.10.3-10.25.amzn1.i686  
    krb5-pkinit-openssl-1.10.3-10.25.amzn1.i686  
    krb5-libs-1.10.3-10.25.amzn1.i686  
  
src:  
    krb5-1.10.3-10.25.amzn1.src  
  
x86_64:  
    krb5-workstation-1.10.3-10.25.amzn1.x86_64  
    krb5-server-1.10.3-10.25.amzn1.x86_64  
    krb5-devel-1.10.3-10.25.amzn1.x86_64  
    krb5-pkinit-openssl-1.10.3-10.25.amzn1.x86_64  
    krb5-libs-1.10.3-10.25.amzn1.x86_64  
    krb5-debuginfo-1.10.3-10.25.amzn1.x86_64  
    krb5-server-ldap-1.10.3-10.25.amzn1.x86_64  

Additional References

Red Hat: CVE-2013-1416

Mitre: CVE-2013-1416

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.956 High

EPSS

Percentile

99.4%