Ubuntu 7027-1: Emacs Security Advisory Updates
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: Several security issues were fixed in Emacs. Software Description: - emacs: GNU Emacs editor (metapackage) - emacs25: GNU Emacs editor (with GTK+ GUI support) - emacs24: GNU Emacs editor Details: It was discovered that Emacs incorrectly handled input sanitization. An attacker could possibly use this issue to execute arbitrary commands. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-45939) Xi Lu discovered that Emacs incorrectly handled input sanitization. An attacker could possibly use this issue to execute arbitrary commands. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-48337) Xi Lu discovered that Emacs incorrectly handled input sanitization. An attacker could possibly use this issue to execute arbitrary commands. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-48338) Xi Lu discovered that Emacs incorrectly handled input sanitization. An attacker could possibly use this issue to execute arbitrary commands. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-48339) It was discovered that Emacs incorrectly handled filename sanitization. An attacker could possibly use this issue to execute arbitrary commands. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-28617) It was discovered that Emacs incorrectly handled certain crafted files. An attacker could possibly use this issue to crash the program, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2024-30203, CVE-2024-30204, CVE-2024-30205) It was discovered that Emacs incorrectly handled certain crafted files. An attacker could possibly use this issue to execute arbitrary commands. (CVE-2024-39331)
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS emacs 1:29.3+1-1ubuntu2+esm1 Available with Ubuntu Pro emacs-bin-common 1:29.3+1-1ubuntu2+esm1 Available with Ubuntu Pro emacs-common 1:29.3+1-1ubuntu2+esm1 Available with Ubuntu Pro emacs-el 1:29.3+1-1ubuntu2+esm1 Available with Ubuntu Pro Ubuntu 22.04 LTS emacs 1:27.1+1-3ubuntu5.2 emacs-bin-common 1:27.1+1-3ubuntu5.2 emacs-common 1:27.1+1-3ubuntu5.2 emacs-el 1:27.1+1-3ubuntu5.2 Ubuntu 20.04 LTS emacs 1:26.3+1-1ubuntu2+esm1 Available with Ubuntu Pro emacs-bin-common 1:26.3+1-1ubuntu2+esm1 Available with Ubuntu Pro emacs-common 1:26.3+1-1ubuntu2+esm1 Available with Ubuntu Pro emacs-el 1:26.3+1-1ubuntu2+esm1 Available with Ubuntu Pro Ubuntu 18.04 LTS emacs25 25.2+1-6ubuntu0.1~esm2 Available with Ubuntu Pro emacs25-bin-common 25.2+1-6ubuntu0.1~esm2 Available with Ubuntu Pro emacs25-common 25.2+1-6ubuntu0.1~esm2 Available with Ubuntu Pro emacs25-el 25.2+1-6ubuntu0.1~esm2 Available with Ubuntu Pro Ubuntu 16.04 LTS emacs24 24.5+1-6ubuntu1.1+esm4 Available with Ubuntu Pro emacs24-bin-common 24.5+1-6ubuntu1.1+esm4 Available with Ubuntu Pro emacs24-common 24.5+1-6ubuntu1.1+esm4 Available with Ubuntu Pro emacs24-el 24.5+1-6ubuntu1.1+esm4 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-7027-1
CVE-2022-45939, CVE-2022-48337, CVE-2022-48338, CVE-2022-48339,
CVE-2023-28617, CVE-2024-30203, CVE-2024-30204, CVE-2024-30205,
CVE-2024-39331,https://launchpad.net/bugs/2070418
Package Information
https://launchpad.net/ubuntu/+source/emacs/1:27.1+1-3ubuntu5.2
