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CVE-2022-48338

Status Candidate

Overview

An issue was discovered in GNU Emacs through 28.2. In ruby-mode.el, the ruby-find-library-file function has a local command injection vulnerability. The ruby-find-library-file function is an interactive function, and bound to C-c C-f. Inside the function, the external command gem is called through shell-command-to-string, but the feature-name parameters are not escaped. Thus, malicious Ruby source files may cause commands to be executed.

Related Files

Red Hat Security Advisory 2023-2626-01
Posted May 9, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-2626-01 - GNU Emacs is a powerful, customizable, self-documenting text editor. It provides special code editing features, a scripting language, and the capability to read e-mail and news. Issues addressed include a code execution vulnerability.

tags | advisory, code execution
systems | linux, redhat
advisories | CVE-2022-48337, CVE-2022-48338, CVE-2022-48339, CVE-2023-2491
SHA-256 | 8e347e252bc4e31d4f8993ab4abd1a1c3adc3901f361d93686442f4682770896
Debian Security Advisory 5360-1
Posted Feb 24, 2023
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5360-1 - Xi Lu discovered that missing input sanitising in Emacs (in etags, the Ruby mode and htmlfontify) could result in the execution of arbitrary shell commands.

tags | advisory, arbitrary, shell, ruby
systems | linux, debian
advisories | CVE-2022-48337, CVE-2022-48338, CVE-2022-48339
SHA-256 | 82d11ef9e76f7318d8a66038c6614675b087dfdc2b8d50aad0fe55d3dd74b5c7
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