CVE-2009-0653: High severity OpenSSL OpenSSL vulnerability
Published 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.
Affected Software
1 affected component
OpenSSL OpenSSL=0.9.6
Event History
Feb 20, 2009
CVE Published
via MITRE·07:00 PM
Data Sourced
via MITRE·07:00 PM
Description
Data Sourced
via NVD·07:30 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2009-0653?
CVE-2009-0653 is considered critical as it allows attackers to spoof certificates of trusted sites.
2
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.
3
Which versions of OpenSSL are affected by CVE-2009-0653?
CVE-2009-0653 specifically affects OpenSSL version 0.9.6.
4
What type of attack does CVE-2009-0653 allow?
CVE-2009-0653 allows attackers to perform man-in-the-middle attacks by spoofing certificates.
5
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.