Stack-based Buffer Overflow in DHCP Server Implementations by OpenBSD
CVE-2007-5365
Key Information:
- Vendor
Oracle
- Vendor
- CVE Published:
- 11 October 2007
Badges
What is CVE-2007-5365?
The DHCP server implementations by OpenBSD, specifically versions 4.0 through 4.2, are susceptible to a stack-based buffer overflow within the cons_options function. Attackers can take advantage of this vulnerability by sending a specially crafted DHCP request that specifies a maximum message size smaller than the minimum IP MTU. This could allow for arbitrary code execution or result in a denial of service, causing the DHCP daemon to crash. This vulnerability underscores the importance of maintaining updated software and the need for robust security measures within network services.
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Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.