Input validation error in ISC Dhcp



| Updated: 2020-08-11
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2011-0413
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 DHCP
Server applications / Other server solutions

Vendor ISC

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU45400

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2011-0413

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

DHCP: 4.0-esv - 4.2.0

CPE2.3 External links

https://lists.fedoraproject.org/pipermail/package-announce/2011-February/053644.html
https://secunia.com/advisories/43006
https://secunia.com/advisories/43104
https://secunia.com/advisories/43167
https://secunia.com/advisories/43354
https://secunia.com/advisories/43613
https://securitytracker.com/id?1024999
https://www.debian.org/security/2011/dsa-2184
https://www.isc.org/software/dhcp/advisories/cve-2011-0413
https://www.kb.cert.org/vuls/id/686084
https://www.mandriva.com/security/advisories?name=MDVSA-2011:022
https://www.osvdb.org/70680
https://www.redhat.com/support/errata/RHSA-2011-0256.html
https://www.securityfocus.com/bid/46035
https://www.vupen.com/english/advisories/2011/0235
https://www.vupen.com/english/advisories/2011/0266
https://www.vupen.com/english/advisories/2011/0300
https://www.vupen.com/english/advisories/2011/0400
https://www.vupen.com/english/advisories/2011/0583
https://exchange.xforce.ibmcloud.com/vulnerabilities/64959
https://kb.isc.org/article/AA-00456


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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