CVE-2012-3954
First published: Wed 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 Linux | =6.0 | |
| Debian Linux | =7.0 | |
| Ubuntu | =11.04 | |
| Ubuntu | =11.10 | |
| Ubuntu | =12.04 |
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Reference Links
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00030.html
- http://rhn.redhat.com/errata/RHSA-2012-1141.html
- http://security.gentoo.org/glsa/glsa-201301-06.xml
- http://www.debian.org/security/2012/dsa-2516
- http://www.debian.org/security/2012/dsa-2519
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:115
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:116
- http://www.securityfocus.com/bid/54665
- http://www.securitytracker.com/id?1027300
- http://www.ubuntu.com/usn/USN-1519-1
- https://kb.isc.org/article/AA-00737
Frequently Asked Questions
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.
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.
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.
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.
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.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/weakness
- agent/last-modified-date
- agent/author
- agent/references
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/isc
- canonical/isc dhcp
- version/isc dhcp/4.1.0
- version/isc dhcp/4.1.0-a1
- version/isc dhcp/4.1.0-a2
- version/isc dhcp/4.1.0-b1
- version/isc dhcp/4.1.1
- version/isc dhcp/4.1.1-b1
- version/isc dhcp/4.1.1-b2
- version/isc dhcp/4.1.1-b3
- version/isc dhcp/4.1.1-rc1
- version/isc dhcp/4.1.2
- version/isc dhcp/4.1.2-b1
- version/isc dhcp/4.1.2-p1
- version/isc dhcp/4.1.2-rc1
- version/isc dhcp/4.2.0
- version/isc dhcp/4.2.0-a1
- version/isc dhcp/4.2.0-a2
- version/isc dhcp/4.2.0-b1
- version/isc dhcp/4.2.0-b2
- version/isc dhcp/4.2.0-p1
- version/isc dhcp/4.2.0-rc1
- version/isc dhcp/4.2.1
- version/isc dhcp/4.2.1-b1
- version/isc dhcp/4.2.1-rc1
- version/isc dhcp/4.2.2
- version/isc dhcp/4.2.2-b1
- version/isc dhcp/4.2.2-rc1
- version/isc dhcp/4.2.3
- version/isc dhcp/4.2.3-p1
- version/isc dhcp/4.2.3-p2
- version/isc dhcp/4.2.4
- version/isc dhcp/4.1-esv
- version/isc dhcp/4.1-esv-r1
- version/isc dhcp/4.1-esv-r2
- version/isc dhcp/4.1-esv-r3
- version/isc dhcp/4.1-esv-r3_b1
- version/isc dhcp/4.1-esv-r4
- version/isc dhcp/4.1-esv-r5
- version/isc dhcp/4.1-esv-r5_b1
- version/isc dhcp/4.1-esv-r5_rc1
- version/isc dhcp/4.1-esv-r5_rc2
- version/isc dhcp/4.1-esv-rc1
- vendor/debian
- canonical/debian linux
- version/debian linux/6.0
- version/debian linux/7.0
- vendor/canonical
- canonical/ubuntu
- version/ubuntu/11.04
- version/ubuntu/11.10
- version/ubuntu/12.04