CVE-2016-6866 Null dereference in n/a

High 7.5 Published Updated

Attackers can bypass the slock screen lock and cause a crash by triggering a NULL pointer dereference with an invalid password hash.

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

What is CVE-2016-6866?

CVE-2016-6866 is a high-severity vulnerability in Fedoraproject Fedora, published on 15 Feb 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

slock allows attackers to bypass the screen lock via vectors involving an invalid password hash, which triggers a NULL pointer dereference and crash.

Weakness: CWE-476

Which versions are affected by CVE-2016-6866?

It affects 2 products.

Products include Fedoraproject Fedora, Suckless Slock.

How do I fix CVE-2016-6866?

Apply the vendor's patch.

Is CVE-2016-6866 being exploited?

There is no known exploitation of CVE-2016-6866 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as DEBIAN-CVE-2016-6866, DLA-598-1, GHSA-h53p-2gg5-7vfm, MGASA-2016-0308, UBUNTU-CVE-2016-6866.

Is CVE-2016-6866 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free