CVE-2017-7507 Null dereference in gnutls

High 7.5 Published Updated

A NULL pointer dereference in GnuTLS allows remote attackers to crash server applications via crafted TLS status response extensions.

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

What is CVE-2017-7507?

CVE-2017-7507 is a high-severity vulnerability in Gnu Gnutls, published on 16 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

GnuTLS version 3.5.12 and earlier is vulnerable to a NULL pointer dereference while decoding a status response TLS extension with valid contents. This could lead to a crash of the GnuTLS server application.

Weakness: CWE-476

Which versions are affected by CVE-2017-7507?

It affects 1 product.

Products include Gnu Gnutls.

How do I fix CVE-2017-7507?

Upgrade to a fixed version.

Is CVE-2017-7507 being exploited?

There is no known exploitation of CVE-2017-7507 in the wild and no public exploit code.

All Gnu Gnutls vulnerabilities

Sources

Also known as ALPINE-CVE-2017-7507, DEBIAN-CVE-2017-7507, DSA-3884-1, GHSA-w59v-wh6q-qc58, UBUNTU-CVE-2017-7507.

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