Strix
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CVE-2002-0862

UnknownEPSS 18.68%

Last modified

CVE-2002-0862 is a vulnerability of currently unknown severity. The (1) CertGetCertificateChain, (2) CertVerifyCertificateChainPolicy, and (3) WinVerifyTrust APIs within the CryptoAPI for Microsoft products including Microsoft Windows 98 through XP, Office for Mac, Internet Explorer for Mac, and Outlook Express for Mac, do not properly verify the Basic Constraints of intermediate CA-signed X.509 certificates, which allows remote attackers to spoof the certificates of trusted sites via a man-in-the-middle attack for SSL sessions, as originally reported for Internet Explorer and IIS.. EPSS estimates a 18.68% chance of exploitation in the next 30 days.

Description

The (1) CertGetCertificateChain, (2) CertVerifyCertificateChainPolicy, and (3) WinVerifyTrust APIs within the CryptoAPI for Microsoft products including Microsoft Windows 98 through XP, Office for Mac, Internet Explorer for Mac, and Outlook Express for Mac, do not properly verify the Basic Constraints of intermediate CA-signed X.509 certificates, which allows remote attackers to spoof the certificates of trusted sites via a man-in-the-middle attack for SSL sessions, as originally reported for Internet Explorer and IIS.

Metrics

EPSS Probability
18.68%

96.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftWindows 2000All versions
MicrosoftWindows 98All versions
MicrosoftWindows 98seAll versions
MicrosoftWindows MeAll versions
MicrosoftWindows Nt4.0
MicrosoftWindows XpAll versions
MicrosoftInternet ExplorerAll versions
MicrosoftOfficeAll versions
MicrosoftOutlook ExpressAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2002-0862?
The (1) CertGetCertificateChain, (2) CertVerifyCertificateChainPolicy, and (3) WinVerifyTrust APIs within the CryptoAPI for Microsoft products including Microsoft Windows 98 through XP, Office for Mac, Internet Explorer for Mac, and Outlook Express for Mac, do not properly verify the Basic Constraints of intermediate CA-signed X.509 certificates, which allows remote attackers to spoof the certificates of trusted sites via a man-in-the-middle attack for SSL sessions, as originally reported for Internet Explorer and IIS.
How severe is CVE-2002-0862?
Severity scoring for CVE-2002-0862 is pending analysis. The EPSS model estimates a 18.68% probability of exploitation in the next 30 days.
How do I fix CVE-2002-0862?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2002-0862?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST