CVE-2017-1000383 Information disclosure in n/a

Medium 5.5 Published 31 Oct 2017 Updated 5 Aug 2024

GNU Emacs ignores umask when creating backup files, potentially exposing sensitive data to unauthorized local users.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2017-1000383?

CVE-2017-1000383 is a medium-severity vulnerability in n/a, published on 31 Oct 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

GNU Emacs version 25.3.1 (and other versions most likely) ignores umask when creating a backup save file ("[ORIGINAL_FILENAME]~") resulting in files that may be world readable or otherwise accessible in ways not intended by the user running the emacs binary.

Weakness: CWE-200

Which versions are affected by CVE-2017-1000383?

It affects 1 product.

Products include Gnu Emacs.

How do I fix CVE-2017-1000383?

No fix has been published for CVE-2017-1000383 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-1000383 being exploited?

There is no known exploitation of CVE-2017-1000383 in the wild and no public exploit code.

Sources

Also known as GHSA-7mwh-4vfp-mr6c, UBUNTU-CVE-2017-1000383.