Microsoft Windows ASN.1 double-free
| win-asn1-double-free (15713) |  High Risk |
Description:
Microsoft Windows could allow a remote attacker to execute code on the system, caused by a double-free condition in the Abstract Syntax Notation 1 (ASN.1) Library. ASN.1 is the language used to standardize data across multiple platforms. By sending a specially-crafted authentication request, a remote attacker could cause the vulnerable system to free memory that has already been freed, which could result in memory corruption. An attacker could exploit this vulnerability to execute arbitrary code with system privileges or cause a denial of service.
Consequences:
Gain Access
Remedy:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS04-011. See References.
References:
- CIAC Information Bulletin O-114: Microsoft Security Update for Microsoft Windows.
- CIAC Information Bulletin O-114: Microsoft Security Update for Microsoft Windows [REVISED 25 Jun 2004].
- Internet Security Systems Security Alert, April 13, 2004: Multiple Vulnerabilities in Microsoft Products.
- Microsoft Security Bulletin MS04-011: Security Update for Microsoft Windows (835732).
- BID-10118: Microsoft ASN.1 Library Double Free Memory Corruption Vulnerability
- CVE-2004-0123: Double free vulnerability in the ASN.1 library as used in Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003, allows remote attackers to cause a denial of service and possibly execute arbitrary code.
- US-CERT VU#255924: Microsoft Windows ASN.1 library contains a memory management vulnerability
Platforms Affected:
- Microsoft Windows 2000
- Microsoft Windows 2003
- Microsoft Windows NT 4.0
- Microsoft Windows XP
Reported:
Apr 13, 2004
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net