Risk | Medium |
Patch available | NO |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2011-4868 |
CWE-ID | CWE-476 |
Exploitation vector | Local network |
Public exploit | N/A |
Vulnerable software Subscribe |
DHCP Server applications / Other server solutions |
Vendor | ISC |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU44406
Risk: Medium
CVSSv3.1: 6 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]
CVE-ID: CVE-2011-4868
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via crafted packets related to a lease-status update.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsDHCP: 3.0 - 4.2.3
External linkshttp://security.gentoo.org/glsa/glsa-201301-06.xml
http://deepthought.isc.org/article/AA-00595
http://kb.isc.org/article/AA-00705
http://www.isc.org/software/dhcp/advisories/cve-2011-4868
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.