Vulnerability Description
It was found that Diffie Hellman Client key exchange handling in NSS 3.21.x was vulnerable to small subgroup confinement attack. An attacker could use this flaw to recover private keys by confining the client DH key to small subgroup of the desired group.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Network Security Services | >= 3.21, <= 3.21.4 |
| Redhat | Enterprise Linux Desktop | 5.0 |
| Redhat | Enterprise Linux Server | 5.0 |
| Redhat | Enterprise Linux Server Aus | 7.3 |
| Redhat | Enterprise Linux Server Eus | 7.3 |
| Redhat | Enterprise Linux Server Tus | 7.3 |
| Redhat | Enterprise Linux Workstation | 5.0 |
Related Weaknesses (CWE)
References
- http://rhn.redhat.com/errata/RHSA-2016-2779.htmlThird Party Advisory
- http://www.securityfocus.com/bid/94346Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8635Issue TrackingThird Party Advisory
- https://security.gentoo.org/glsa/201701-46Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2779.htmlThird Party Advisory
- http://www.securityfocus.com/bid/94346Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8635Issue TrackingThird Party Advisory
- https://security.gentoo.org/glsa/201701-46Third Party Advisory
FAQ
What is CVE-2016-8635?
CVE-2016-8635 is a vulnerability with a CVSS score of 5.3 (MEDIUM). It was found that Diffie Hellman Client key exchange handling in NSS 3.21.x was vulnerable to small subgroup confinement attack. An attacker could use this flaw to recover private keys by confining th...
How severe is CVE-2016-8635?
CVE-2016-8635 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-8635?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Network Security Services, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus.