Vulnerability Description
The OpenSSL extension of Ruby (Git trunk) versions after 2011-09-01 up to 2011-11-03 always generated an exponent value of '1' to be used for private RSA key generation. A remote attacker could use this flaw to bypass or corrupt integrity of services, depending on strong private RSA keys generation mechanism.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ruby-Lang | Ruby | >= 1.8.7.334, < 1.9.3 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2013/07/01/1Mailing ListThird Party Advisory
- https://access.redhat.com/security/cve/cve-2011-4121Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4121Issue TrackingThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2011-4121Third Party Advisory
- http://www.openwall.com/lists/oss-security/2013/07/01/1Mailing ListThird Party Advisory
- https://access.redhat.com/security/cve/cve-2011-4121Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4121Issue TrackingThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2011-4121Third Party Advisory
FAQ
What is CVE-2011-4121?
CVE-2011-4121 is a vulnerability with a CVSS score of 9.8 (CRITICAL). The OpenSSL extension of Ruby (Git trunk) versions after 2011-09-01 up to 2011-11-03 always generated an exponent value of '1' to be used for private RSA key generation. A remote attacker could use th...
How severe is CVE-2011-4121?
CVE-2011-4121 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2011-4121?
Check the references section above for vendor advisories and patch information. Affected products include: Ruby-Lang Ruby.