CVE-2009-0653
First published: Fri Feb 20 2009(Updated: )
OpenSSL, probably 0.9.6, does not verify the Basic Constraints for an intermediate CA-signed certificate, which allows remote attackers to spoof the certificates of trusted sites via a man-in-the-middle attack, a related issue to CVE-2002-0970.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenSSL libcrypto | =0.9.6 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2009-0653?
CVE-2009-0653 is considered critical as it allows attackers to spoof certificates of trusted sites.
How do I fix CVE-2009-0653?
To fix CVE-2009-0653, upgrade OpenSSL to a version later than 0.9.6 that properly verifies Basic Constraints.
Which versions of OpenSSL are affected by CVE-2009-0653?
CVE-2009-0653 specifically affects OpenSSL version 0.9.6.
What type of attack does CVE-2009-0653 allow?
CVE-2009-0653 allows attackers to perform man-in-the-middle attacks by spoofing certificates.
What is the impact of CVE-2009-0653 on SSL security?
CVE-2009-0653 undermines SSL security by failing to validate intermediate CA-signed certificates.
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