Multiple vendor LDAP MODIFY request buffer overflow (LDAP_Modify_Req_Bo)

About this signature or vulnerability

RealSecure Desktop, Proventia Network IPS, BlackICE PC Protection, BlackICE Server Protection, RealSecure Server Sensor, RealSecure Network, Proventia Network IDS, Proventia Desktop, Proventia-G 1.1 and earlier, IBM Security Server Protection for Windows, Proventia Network MFS, Virtual Server Protection for Vmware, Proventia Server IPS for Linux technology:

This signature detects a malformed Modify Request causing a buffer overflow.


Default risk level

High risk vulnerability  High

Sensors that have this signature

RealSecure Desktop: epj, Proventia Network IPS: XPU 1.78, BlackICE PC Protection: 3.6cpj, BlackICE Server Protection: 3.6.cpj, RealSecure Server Sensor: XPU 24.39, RealSecure Network: XPU 24.39, Proventia Network IDS: XPU 24.39, Proventia Desktop: 1780, Proventia-G 1.1 and earlier: XPU 24.39, IBM Security Server Protection for Windows: 2.1.14.2400, Proventia Network MFS: XPU 1.78, IBM Security Server Protection for Windows: 1.0.914.1780, Virtual Server Protection for Vmware: 1.0, Proventia Server IPS for Linux technology: 1.78

Systems affected

IBM AIX, WindRiver BSDOS, SGI IRIX, Linux Kernel, Sun Solaris, IBM OS2, Microsoft Windows 95, Data General DG/UX, Microsoft Windows NT: 4.0, Microsoft Windows 98, SCO SCO Unix, Microsoft Windows 98SE, Microsoft Windows 2000, Microsoft Windows Me, Compaq Tru64, Microsoft Windows XP, Microsoft Windows 2003 Server, Apple Mac OS X

Type

Unauthorized Access Attempt

Vulnerability description

Multiple vendor Lightweight Directory Access Protocol (LDAP) implementations are vulnerable to a heap-based buffer overflow, caused by improper bounds checking of MODIFY requests. A remote attacker could exploit this vulnerability by sending a specially-crafted MODIFY request to execute arbitrary code on an affected system or cause the server to crash.

How to remove this vulnerability

No remedy available as of December 4, 2010.

References

IBM Internet Security Systems X-Force Database
Microsoft Windows Active Directory LDAP attribute buffer overflow
http://xforce.iss.net/xforce/xfdb/35179

ISS X-Force
Multiple vendor LDAP MODIFY request buffer overflow
http://www.iss.net/security_center/static/27610.php