CVE-2018-5377 Missing authorization in n/a

Critical 9.8 Published 12 Jan 2018 Updated 16 Sep 2024

Remote attackers can bypass intended access restrictions in Discuz! X3.4 via the archiver index.php action parameter.

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-2018-5377?

CVE-2018-5377 is a critical missing authorization vulnerability in n/a, published on 12 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Discuz! DiscuzX X3.4 allows remote attackers to bypass intended access restrictions via the archiver\index.php action parameter.

Weakness: CWE-862

Which versions are affected by CVE-2018-5377?

It affects 1 product.

Products include Discuz Discuzx.

How do I fix CVE-2018-5377?

No fix has been published for CVE-2018-5377 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2018-5377 being exploited?

There is no known exploitation of CVE-2018-5377 in the wild and no public exploit code.

Sources

Also known as GHSA-mp5g-vcww-pfhw.