CVE-2013-5606 Security feature bypass in n/a

Medium 5.8 Published Updated

Remote attackers can bypass certificate validation restrictions in Mozilla NSS by using a crafted certificate with incompatible key usage.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2013-5606?

CVE-2013-5606 is a medium-severity vulnerability in Mozilla Network Security Services, published on 16 Nov 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The CERT_VerifyCert function in lib/certhigh/certvfy.c in Mozilla Network Security Services (NSS) 3.15 before 3.15.3 provides an unexpected return value for an incompatible key-usage certificate when the CERTVerifyLog argument is valid, which might allow remote attackers to bypass intended access restrictions via a crafted certificate.

Weakness: CWE-264

Which versions are affected by CVE-2013-5606?

It affects 1 product.

Products include Mozilla Network Security Services.

How do I fix CVE-2013-5606?

Upgrade to a fixed version.

Is CVE-2013-5606 being exploited?

There is no known exploitation of CVE-2013-5606 in the wild and no public exploit code.

All Mozilla Network Security Services vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-5606, GHSA-mphq-fg36-pppm.

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