CVE-2016-6879 Security feature bypass in n/a

High 7.5 Published Updated

Attackers can bypass X.509 certificate key usage restrictions in Botan by exploiting a flaw in the allowed_usage function.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2016-6879?

CVE-2016-6879 is a high-severity vulnerability in n/a, published on 10 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The X509_Certificate::allowed_usage function in botan 1.11.x before 1.11.31 might allow attackers to have unspecified impact by leveraging a call with more than one Key_Usage set in the enum value.

Weakness: CWE-320

Which versions are affected by CVE-2016-6879?

It affects 1 product.

Products include Botan Project Botan.

How do I fix CVE-2016-6879?

No fix has been published for CVE-2016-6879 yet. Limit exposure of the affected software until one is available.

Is CVE-2016-6879 being exploited?

There is no known exploitation of CVE-2016-6879 in the wild and no public exploit code.

Sources

Also known as GHSA-7rqp-c4g7-r3f5.

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