CVE-2012-3954: Low severity isc dhcp vulnerability

Published Jul 25, 2012
·
Updated

Multiple memory leaks in ISC DHCP 4.1.x and 4.2.x before 4.2.4-P1 and 4.1-ESV before 4.1-ESV-R6 allow remote attackers to cause a denial of service (memory consumption) by sending many requests.

Affected Software

46 affected components
ISC DHCP=4.1.0
ISC DHCP=4.1.0-a1
ISC DHCP=4.1.0-a2
ISC DHCP=4.1.0-b1
ISC DHCP=4.1.1
ISC DHCP=4.1.1-b1
ISC DHCP=4.1.1-b2
ISC DHCP=4.1.1-b3
ISC DHCP=4.1.1-rc1
ISC DHCP=4.1.2
ISC DHCP=4.1.2-b1
ISC DHCP=4.1.2-p1
ISC DHCP=4.1.2-rc1
ISC DHCP=4.2.0
ISC DHCP=4.2.0-a1
ISC DHCP=4.2.0-a2
ISC DHCP=4.2.0-b1
ISC DHCP=4.2.0-b2
ISC DHCP=4.2.0-p1
ISC DHCP=4.2.0-rc1
ISC DHCP=4.2.1
ISC DHCP=4.2.1-b1
ISC DHCP=4.2.1-rc1
ISC DHCP=4.2.2
ISC DHCP=4.2.2-b1
ISC DHCP=4.2.2-rc1
ISC DHCP=4.2.3
ISC DHCP=4.2.3-p1
ISC DHCP=4.2.3-p2
ISC DHCP=4.2.4
ISC DHCP=4.1-esv
ISC DHCP=4.1-esv-r1
ISC DHCP=4.1-esv-r2
ISC DHCP=4.1-esv-r3
ISC DHCP=4.1-esv-r3_b1
ISC DHCP=4.1-esv-r4
ISC DHCP=4.1-esv-r5
ISC DHCP=4.1-esv-r5_b1
ISC DHCP=4.1-esv-r5_rc1
ISC DHCP=4.1-esv-r5_rc2
ISC DHCP=4.1-esv-rc1
Debian Debian Linux=6.0
Debian Debian Linux=7.0
Canonical Ubuntu Linux=11.04
Canonical Ubuntu Linux=11.10
Canonical Ubuntu Linux=12.04

Event History

Jul 25, 2012
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2012-3954?

CVE-2012-3954 has been classified with a moderate severity due to its potential to cause denial of service through memory consumption.

2

How do I fix CVE-2012-3954?

To mitigate CVE-2012-3954, upgrade to ISC DHCP version 4.2.4-P1 or 4.1-ESV-R6 or later.

3

Which versions of ISC DHCP are affected by CVE-2012-3954?

CVE-2012-3954 affects ISC DHCP versions 4.1.x and 4.2.x before 4.2.4-P1 and 4.1-ESV before 4.1-ESV-R6.

4

Can CVE-2012-3954 lead to other types of attacks?

CVE-2012-3954 primarily leads to denial of service but may be part of a larger attack vector if exploited in conjunction with other vulnerabilities.

5

How does CVE-2012-3954 allow attackers to exploit systems?

Attackers can exploit CVE-2012-3954 by sending numerous requests to the server, causing it to consume memory and potentially crash.

Contact

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