Vulnerability Description
Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Entrouvert | Lasso | <= 2.2.1-0 |
Related Weaknesses (CWE)
References
- http://www.ocert.org/advisories/ocert-2008-016.html
- http://www.securityfocus.com/archive/1/499827/100/0/threaded
- https://exchange.xforce.ibmcloud.com/vulnerabilities/47837
- http://www.ocert.org/advisories/ocert-2008-016.html
- http://www.securityfocus.com/archive/1/499827/100/0/threaded
- https://exchange.xforce.ibmcloud.com/vulnerabilities/47837
FAQ
What is CVE-2009-0050?
CVE-2009-0050 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/T...
How severe is CVE-2009-0050?
CVE-2009-0050 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-0050?
Check the references section above for vendor advisories and patch information. Affected products include: Entrouvert Lasso.