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amazonAmazonALAS-2016-745
HistorySep 15, 2016 - 7:00 p.m.

Medium: bind

2016-09-1519:00:00
alas.aws.amazon.com
19

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.934 High

EPSS

Percentile

99.1%

Issue Overview:

It was found that the lightweight resolver could crash due to an error when asked to resolve a query name which, when combined with a search list entry, exceeds the maximum allowable length. A remote attacker could use this flaw to crash lwresd or named when using the “lwres” statement in named.conf.

Affected Packages:

bind

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

New Packages:

i686:  
    bind-libs-9.8.2-0.37.rc1.47.amzn1.i686  
    bind-sdb-9.8.2-0.37.rc1.47.amzn1.i686  
    bind-devel-9.8.2-0.37.rc1.47.amzn1.i686  
    bind-debuginfo-9.8.2-0.37.rc1.47.amzn1.i686  
    bind-9.8.2-0.37.rc1.47.amzn1.i686  
    bind-utils-9.8.2-0.37.rc1.47.amzn1.i686  
    bind-chroot-9.8.2-0.37.rc1.47.amzn1.i686  
  
src:  
    bind-9.8.2-0.37.rc1.47.amzn1.src  
  
x86_64:  
    bind-libs-9.8.2-0.37.rc1.47.amzn1.x86_64  
    bind-9.8.2-0.37.rc1.47.amzn1.x86_64  
    bind-devel-9.8.2-0.37.rc1.47.amzn1.x86_64  
    bind-utils-9.8.2-0.37.rc1.47.amzn1.x86_64  
    bind-sdb-9.8.2-0.37.rc1.47.amzn1.x86_64  
    bind-chroot-9.8.2-0.37.rc1.47.amzn1.x86_64  
    bind-debuginfo-9.8.2-0.37.rc1.47.amzn1.x86_64  

Additional References

Red Hat: CVE-2016-2775

Mitre: CVE-2016-2775

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.934 High

EPSS

Percentile

99.1%