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amazonAmazonALAS-2012-084
HistoryJun 10, 2012 - 11:47 a.m.

Important: bind

2012-06-1011:47:00
alas.aws.amazon.com
14

8.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.904 High

EPSS

Percentile

98.7%

Issue Overview:

A flaw was found in the way BIND handled zero length resource data records. A malicious owner of a DNS domain could use this flaw to create specially-crafted DNS resource records that would cause a recursive resolver or secondary server to crash or, possibly, disclose portions of its memory. (CVE-2012-1667)

A flaw was found in the way BIND handled the updating of cached name server (NS) resource records. A malicious owner of a DNS domain could use this flaw to keep the domain resolvable by the BIND server even after the delegation was removed from the parent DNS zone. With this update, BIND limits the time-to-live of the replacement record to that of the time-to-live of the record being replaced. (CVE-2012-1033)

Affected Packages:

bind

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

New Packages:

i686:  
    bind-chroot-9.7.6-1.P1.18.amzn1.i686  
    bind-devel-9.7.6-1.P1.18.amzn1.i686  
    bind-utils-9.7.6-1.P1.18.amzn1.i686  
    bind-libs-9.7.6-1.P1.18.amzn1.i686  
    bind-sdb-9.7.6-1.P1.18.amzn1.i686  
    bind-9.7.6-1.P1.18.amzn1.i686  
    bind-debuginfo-9.7.6-1.P1.18.amzn1.i686  
  
src:  
    bind-9.7.6-1.P1.18.amzn1.src  
  
x86_64:  
    bind-sdb-9.7.6-1.P1.18.amzn1.x86_64  
    bind-chroot-9.7.6-1.P1.18.amzn1.x86_64  
    bind-libs-9.7.6-1.P1.18.amzn1.x86_64  
    bind-9.7.6-1.P1.18.amzn1.x86_64  
    bind-debuginfo-9.7.6-1.P1.18.amzn1.x86_64  
    bind-devel-9.7.6-1.P1.18.amzn1.x86_64  
    bind-utils-9.7.6-1.P1.18.amzn1.x86_64  

Additional References

Red Hat: CVE-2012-1033, CVE-2012-1667

Mitre: CVE-2012-1033, CVE-2012-1667

8.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.904 High

EPSS

Percentile

98.7%