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amazonAmazonALAS-2016-637
HistoryJan 18, 2016 - 11:00 a.m.

Medium: dhcp

2016-01-1811:00:00
alas.aws.amazon.com
19

6.5 Medium

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5.7 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.051 Low

EPSS

Percentile

92.9%

Issue Overview:

ISC DHCP 4.x before 4.1-ESV-R12-P1 and 4.2.x and 4.3.x before 4.3.3-P1 allows remote attackers to cause a denial of service (application crash) via an invalid length field in a UDP IPv4 packet.

Affected Packages:

dhcp

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

New Packages:

i686:  
    dhcp-debuginfo-4.1.1-43.P1.22.amzn1.i686  
    dhcp-devel-4.1.1-43.P1.22.amzn1.i686  
    dhcp-common-4.1.1-43.P1.22.amzn1.i686  
    dhcp-4.1.1-43.P1.22.amzn1.i686  
    dhclient-4.1.1-43.P1.22.amzn1.i686  
  
src:  
    dhcp-4.1.1-43.P1.22.amzn1.src  
  
x86_64:  
    dhcp-common-4.1.1-43.P1.22.amzn1.x86_64  
    dhclient-4.1.1-43.P1.22.amzn1.x86_64  
    dhcp-devel-4.1.1-43.P1.22.amzn1.x86_64  
    dhcp-4.1.1-43.P1.22.amzn1.x86_64  
    dhcp-debuginfo-4.1.1-43.P1.22.amzn1.x86_64  

Additional References

Red Hat: CVE-2015-8605

Mitre: CVE-2015-8605

6.5 Medium

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5.7 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.051 Low

EPSS

Percentile

92.9%