Security Vulnerability: DHOST Content-Length Header Heap Overflow

Exploit of the Content-Length can allow an attacker to set a zero sized buffer which a copy would then result in a buffer overflow and cause eDirectory to crash.

Exploitation of this vulnerability doesn't require authentication.

Exploitation of this vulnerability can result in a denial of service or arbitrary execution of code.

Exploitation requires network access.

For eDirectory 8.8:
Apply eDirectory 8.8.3

For eDirectory 8.7.3:
Apply eDirectory 8.7.3.10 ftf1

ZDI-08-063: eDirectory Content-Length Header Heap Overflow

http://www.zerodayinitiative.com/advisories/ZDI-08-063.html

This vulnerability was reported by Zero Day Initiative (ZDI) established by TippingPoint, a division of 3Com.

CVE-2008-4478

+ Advanced eDirectory Troubleshooting