CVE-2011-0413: Input Validation
First published: Mon Jan 31 2011(Updated: )
The DHCPv6 server in ISC DHCP 4.0.x and 4.1.x before 4.1.2-P1, 4.0-ESV and 4.1-ESV before 4.1-ESV-R1, and 4.2.x before 4.2.1b1 allows remote attackers to cause a denial of service (assertion failure and daemon crash) by sending a message over IPv6 for a declined and abandoned address.
Credit: cret@cert.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ISC DHCP Server | =4.0 | |
| ISC DHCP Server | =4.0.0 | |
| ISC DHCP Server | =4.0.1 | |
| ISC DHCP Server | =4.0.1-b1 | |
| ISC DHCP Server | =4.0.1-rc1 | |
| ISC DHCP Server | =4.0.2 | |
| ISC DHCP Server | =4.0.2-b1 | |
| ISC DHCP Server | =4.0.2-b2 | |
| ISC DHCP Server | =4.0.2-b3 | |
| ISC DHCP Server | =4.0.2-rc1 | |
| ISC DHCP Server | =4.0.3 | |
| ISC DHCP Server | =4.0.3-b1 | |
| ISC DHCP Server | =4.0.3-rc1 | |
| ISC DHCP Server | =4.1.0 | |
| ISC DHCP Server | =4.1.1 | |
| ISC DHCP Server | =4.1.1-b1 | |
| ISC DHCP Server | =4.1.1-b2 | |
| ISC DHCP Server | =4.1.1-b3 | |
| ISC DHCP Server | =4.1.1-rc1 | |
| ISC DHCP Server | =4.1.2 | |
| ISC DHCP Server | =4.0-esv | |
| ISC DHCP Server | =4.1-esv | |
| ISC DHCP Server | =4.2.0 | |
| ISC DHCP Server | =4.2.0-a1 | |
| ISC DHCP Server | =4.2.0-a2 | |
| ISC DHCP Server | =4.2.0-b1 | |
| ISC DHCP Server | =4.2.0-b2 | |
| ISC DHCP Server | =4.2.0-p1 | |
| ISC DHCP Server | =4.2.0-rc1 |
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Reference Links
- http://www.osvdb.org/70680
- http://www.isc.org/software/dhcp/advisories/cve-2011-0413
- http://www.vupen.com/english/advisories/2011/0235
- http://secunia.com/advisories/43006
- http://secunia.com/advisories/43104
- http://www.kb.cert.org/vuls/id/686084
- http://securitytracker.com/id?1024999
- http://www.securityfocus.com/bid/46035
- http://secunia.com/advisories/43167
- http://www.vupen.com/english/advisories/2011/0266
- http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053644.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:022
- http://www.vupen.com/english/advisories/2011/0300
- http://secunia.com/advisories/43354
- http://www.redhat.com/support/errata/RHSA-2011-0256.html
- http://www.vupen.com/english/advisories/2011/0400
- http://www.vupen.com/english/advisories/2011/0583
- http://secunia.com/advisories/43613
- http://www.debian.org/security/2011/dsa-2184
- https://kb.isc.org/article/AA-00456
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64959
Frequently Asked Questions
What is the severity of CVE-2011-0413?
CVE-2011-0413 is classified as a denial of service vulnerability due to potential assertion failure and daemon crashes.
How do I fix CVE-2011-0413?
To fix CVE-2011-0413, upgrade to ISC DHCP version 4.1.2-P1 or later for 4.1.x versions, or 4.2.1b1 or later for 4.2.x versions.
Which ISC DHCP versions are affected by CVE-2011-0413?
CVE-2011-0413 affects ISC DHCP versions 4.0.x, 4.1.x before 4.1.2-P1, 4.0-ESV and 4.1-ESV before 4.1-ESV-R1, and 4.2.x before 4.2.1b1.
What can attackers do with CVE-2011-0413?
Attackers can exploit CVE-2011-0413 to send specially crafted messages that result in denial of service to the DHCP daemon.
Is there a workaround for CVE-2011-0413?
The best practice is to upgrade to the patched version, but temporarily limiting the exposure of the DHCP server may reduce risk.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/references
- agent/last-modified-date
- agent/author
- agent/severity
- agent/event
- agent/description
- agent/first-publish-date
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-historical
- vendor/isc
- canonical/isc dhcp server
- version/isc dhcp server/4.0
- version/isc dhcp server/4.0.0
- version/isc dhcp server/4.0.1
- version/isc dhcp server/4.0.1-b1
- version/isc dhcp server/4.0.1-rc1
- version/isc dhcp server/4.0.2
- version/isc dhcp server/4.0.2-b1
- version/isc dhcp server/4.0.2-b2
- version/isc dhcp server/4.0.2-b3
- version/isc dhcp server/4.0.2-rc1
- version/isc dhcp server/4.0.3
- version/isc dhcp server/4.0.3-b1
- version/isc dhcp server/4.0.3-rc1
- version/isc dhcp server/4.1.0
- version/isc dhcp server/4.1.1
- version/isc dhcp server/4.1.1-b1
- version/isc dhcp server/4.1.1-b2
- version/isc dhcp server/4.1.1-b3
- version/isc dhcp server/4.1.1-rc1
- version/isc dhcp server/4.1.2
- version/isc dhcp server/4.0-esv
- version/isc dhcp server/4.1-esv
- version/isc dhcp server/4.2.0
- version/isc dhcp server/4.2.0-a1
- version/isc dhcp server/4.2.0-a2
- version/isc dhcp server/4.2.0-b1
- version/isc dhcp server/4.2.0-b2
- version/isc dhcp server/4.2.0-p1
- version/isc dhcp server/4.2.0-rc1