CVE-2018-12939 Path traversal in n/a

Medium 6.5 Published 31 Jul 2018 Updated 5 Aug 2024

Authenticated attackers can write or delete arbitrary files via path traversal, potentially leading to code execution in SeedDMS.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-12939?

CVE-2018-12939 is a medium-severity path traversal vulnerability in n/a, published on 31 Jul 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A directory traversal flaw in SeedDMS (formerly LetoDMS and MyDMS) before 5.1.8 allows an authenticated attacker to write to (or potentially delete) arbitrary files via a .. (dot dot) in the "op/op.UploadChunks.php" "qquuid" parameter. NOTE: this can be leveraged to execute arbitrary code by using CVE-2018-12940.

Weakness: CWE-22

Which versions are affected by CVE-2018-12939?

It affects 1 product.

Products include Seeddms Seeddms.

How do I fix CVE-2018-12939?

No fix has been published for CVE-2018-12939 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2018-12939 being exploited?

There is no known exploitation of CVE-2018-12939 in the wild and no public exploit code.

Sources

Also known as GHSA-h5rv-hx8g-fjqx.