SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2003-0818

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…

HIGH 7.5EPSS 82.2%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 82.2%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
82.24% probability · 100th percentile
CISA KEV
Not listed
Affected
microsoft/windows 2000 · microsoft/windows 2003 server · microsoft/windows nt · microsoft/windows xp
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.