CVE-2003-0818
HighSummary
Multiple integer overflows in the Microsoft ASN.1 library (MSASN1.DLL) can lead to arbitrary code execution by remote attackers. The issue affects Windows NT 4.0, 2000, and XP, where vulnerabilities exist in LSASS.EXE, CRYPT32.DLL, and other components.
Risk Assessment
Attackers can exploit this vulnerability to execute arbitrary code remotely, potentially taking control of the system. This poses a serious security threat to the organization.
Recommendation
It is recommended to update operating systems to the latest versions and apply security patches provided by Microsoft. Additionally, monitoring and restricting access to vulnerable systems should be implemented.
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Original NVD description (English source)
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.