Ubuntu 23.10 USN-6580-1 Critical: w3m Arbitrary Code Execution
ubuntu
January 15, 2024
w3m could be made to crash or run programs as your login if it opened a malicious website.
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 23.04 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS (Available with Ubuntu Pro) - Ubuntu 14.04 LTS (Available with Ubuntu Pro) Summary: w3m could be made to crash or run programs as your login if it opened a malicious website. Software Description: - w3m: WWW browsable pager with excellent tables/frames support Details: It was discovered that w3m incorrectly handled certain HTML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code.
Topics Covered
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: w3m 0.5.3+git20230121-2ubuntu0.23.10.1 Ubuntu 23.04: w3m 0.5.3+git20230121-2ubuntu0.23.04.1 Ubuntu 22.04 LTS: w3m 0.5.3+git20210102-6ubuntu0.2 Ubuntu 20.04 LTS: w3m 0.5.3-37ubuntu0.2 Ubuntu 18.04 LTS (Available with Ubuntu Pro): w3m 0.5.3-36ubuntu0.1+esm1 Ubuntu 14.04 LTS (Available with Ubuntu Pro): w3m 0.5.3-15ubuntu0.2+esm2 In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-6580-1
CVE-2023-4255
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Ubuntu Security Notice USN-6580-1
Topics Covered
Package Information
https://launchpad.net/ubuntu/+source/w3m/0.5.3+git20230121-2ubuntu0.23.10.1
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