Medium: krb5

2011-12-0916:12:00

alas.aws.amazon.com

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.013 Low

EPSS

Percentile

85.8%

JSON

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-2011-1530)

Affected Packages:

krb5

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

New Packages:

i686:  
    krb5-server-1.9-22.20.amzn1.i686  
    krb5-devel-1.9-22.20.amzn1.i686  
    krb5-workstation-1.9-22.20.amzn1.i686  
    krb5-server-ldap-1.9-22.20.amzn1.i686  
    krb5-debuginfo-1.9-22.20.amzn1.i686  
    krb5-pkinit-openssl-1.9-22.20.amzn1.i686  
    krb5-libs-1.9-22.20.amzn1.i686  
  
src:  
    krb5-1.9-22.20.amzn1.src  
  
x86_64:  
    krb5-pkinit-openssl-1.9-22.20.amzn1.x86_64  
    krb5-debuginfo-1.9-22.20.amzn1.x86_64  
    krb5-server-1.9-22.20.amzn1.x86_64  
    krb5-workstation-1.9-22.20.amzn1.x86_64  
    krb5-libs-1.9-22.20.amzn1.x86_64  
    krb5-devel-1.9-22.20.amzn1.x86_64  
    krb5-server-ldap-1.9-22.20.amzn1.x86_64

Additional References

Red Hat: CVE-2011-1530

Mitre: CVE-2011-1530

OSVersionArchitecturePackageVersionFilename
Amazon Linux1i686krb5-server< 1.9-22.20.amzn1krb5-server-1.9-22.20.amzn1.i686.rpm
Amazon Linux1i686krb5-devel< 1.9-22.20.amzn1krb5-devel-1.9-22.20.amzn1.i686.rpm
Amazon Linux1i686krb5-workstation< 1.9-22.20.amzn1krb5-workstation-1.9-22.20.amzn1.i686.rpm
Amazon Linux1i686krb5-server-ldap< 1.9-22.20.amzn1krb5-server-ldap-1.9-22.20.amzn1.i686.rpm
Amazon Linux1i686krb5-debuginfo< 1.9-22.20.amzn1krb5-debuginfo-1.9-22.20.amzn1.i686.rpm
Amazon Linux1i686krb5-pkinit-openssl< 1.9-22.20.amzn1krb5-pkinit-openssl-1.9-22.20.amzn1.i686.rpm
Amazon Linux1i686krb5-libs< 1.9-22.20.amzn1krb5-libs-1.9-22.20.amzn1.i686.rpm
Amazon Linux1x86_64krb5-pkinit-openssl< 1.9-22.20.amzn1krb5-pkinit-openssl-1.9-22.20.amzn1.x86_64.rpm
Amazon Linux1x86_64krb5-debuginfo< 1.9-22.20.amzn1krb5-debuginfo-1.9-22.20.amzn1.x86_64.rpm
Amazon Linux1x86_64krb5-server< 1.9-22.20.amzn1krb5-server-1.9-22.20.amzn1.x86_64.rpm

OS	Version	Architecture	Package	Version	Filename
Amazon Linux	1	i686	krb5-server	< 1.9-22.20.amzn1	krb5-server-1.9-22.20.amzn1.i686.rpm
Amazon Linux	1	i686	krb5-devel	< 1.9-22.20.amzn1	krb5-devel-1.9-22.20.amzn1.i686.rpm
Amazon Linux	1	i686	krb5-workstation	< 1.9-22.20.amzn1	krb5-workstation-1.9-22.20.amzn1.i686.rpm
Amazon Linux	1	i686	krb5-server-ldap	< 1.9-22.20.amzn1	krb5-server-ldap-1.9-22.20.amzn1.i686.rpm
Amazon Linux	1	i686	krb5-debuginfo	< 1.9-22.20.amzn1	krb5-debuginfo-1.9-22.20.amzn1.i686.rpm
Amazon Linux	1	i686	krb5-pkinit-openssl	< 1.9-22.20.amzn1	krb5-pkinit-openssl-1.9-22.20.amzn1.i686.rpm
Amazon Linux	1	i686	krb5-libs	< 1.9-22.20.amzn1	krb5-libs-1.9-22.20.amzn1.i686.rpm
Amazon Linux	1	x86_64	krb5-pkinit-openssl	< 1.9-22.20.amzn1	krb5-pkinit-openssl-1.9-22.20.amzn1.x86_64.rpm
Amazon Linux	1	x86_64	krb5-debuginfo	< 1.9-22.20.amzn1	krb5-debuginfo-1.9-22.20.amzn1.x86_64.rpm
Amazon Linux	1	x86_64	krb5-server	< 1.9-22.20.amzn1	krb5-server-1.9-22.20.amzn1.x86_64.rpm