CVE-2002-0862
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 15.8% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 15.8% in the next 30 days (EPSS).
- Severity: 6.8 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 15.8% · EPSS, next 30 days
- Weakness
- CWE-295 · Improper certificate validation
- Record status
- Modified
Affected
- Microsoft Windows 2000
- Microsoft Windows 98
- Microsoft Windows 98se
- Microsoft Windows Me
- Microsoft Windows Nt 4.0
- Microsoft Windows Xp
- Microsoft Internet Explorer
- Microsoft Office
Attack profile CVSS 2.0 · 6.8
- Attack vector
- Network
- Complexity
- Medium
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- Partial
Raw vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2002-0862.md and follow it. Check whether this project is affected by CVE-2002-0862. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-050
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-050
References
- http://marc.info/?l=bugtraq&m=102866120821995&w=2
- http://marc.info/?l=bugtraq&m=102918200405308&w=2
- http://marc.info/?l=bugtraq&m=102976967730450&w=2
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-050
- https://exchange.xforce.ibmcloud.com/vulnerabilities/9776
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1056
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1332
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2671
- http://marc.info/?l=bugtraq&m=102866120821995&w=2
- http://marc.info/?l=bugtraq&m=102918200405308&w=2
- http://marc.info/?l=bugtraq&m=102976967730450&w=2
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-050
- https://exchange.xforce.ibmcloud.com/vulnerabilities/9776
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1056
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1332
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2671