CVE-2003-0818 Integer overflow in n/a

What is CVE-2003-0818?

CVE-2003-0818 is a high-severity vulnerability in Microsoft Windows 2000, published on 11 Feb 2004. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple integer overflows in Microsoft ASN.1 library (MSASN1.DLL), as used in LSASS.EXE, CRYPT32.DLL, and other Microsoft executables and libraries on Windows NT 4.0, 2000, and XP, allow remote attackers to execute arbitrary code via ASN.1 BER encodings with (1) very large length fields that cause arbitrary heap data to be overwritten, or (2) modified bit strings.

Which versions are affected by CVE-2003-0818?

It affects 4 products.

Products include Microsoft Windows 2000, Microsoft Windows 2003 Server, Microsoft Windows Nt, Microsoft Windows Xp.

How do I fix CVE-2003-0818?

No fix has been published for CVE-2003-0818 yet. Limit exposure of the affected software until one is available.

Is CVE-2003-0818 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2003-0818 exists.

Public exploit code: 1 Metasploit module and 3 Exploit-DB entries.

Other vulnerabilities in Microsoft Windows 2000

• CVE-2008-4250 Microsoft Windows Buffer Overflow Exploited Critical 9.8
• CVE-2010-0232 Microsoft Windows Kernel Exception Handler Exploited High 7.8
• CVE-2009-1123 Microsoft Windows Improper Input Validation Exploited High 7.8
• CVE-2002-0367 Microsoft Windows Privilege Escalation Exploited High 7.8
• CVE-2010-0269 Memory corruption in n/a Critical 10.0

All Microsoft Windows 2000 vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-whjg-p56q-xrf9.