wkhtmltopdf could be made to expose sensitive information if it opened a specially crafted file.. =========================================================================Ubuntu Security Notice USN-6232-1 July 20, 2023 wkhtmltopdf vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS (Available with Ubuntu Pro) - Ubuntu 16.04 LTS (Available with Ubuntu Pro) - Ubuntu 14.04 LTS (Available with Ubuntu Pro) Summary: wkhtmltopdf could be made to expose sensitive information if it opened a specially crafted file. Software Description: - wkhtmltopdf: Command line utility to convert html to pdf using WebKit Details: It was discovered that wkhtmltopdf was not properly enforcing the same-origin policy when processing certain HTML files. If a user or automated system using wkhtmltopdf were tricked into processing a specially crafted HTML file, an attacker could possibly use this issue to expose sensitive information. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: wkhtmltopdf 0.12.5-1ubuntu0.1 Ubuntu 18.04 LTS (Available with Ubuntu Pro): wkhtmltopdf 0.12.4-1ubuntu0.1~esm1 Ubuntu 16.04 LTS (Available with Ubuntu Pro): wkhtmltopdf 0.12.2.4-1ubuntu0.1~esm1 Ubuntu 14.04 LTS (Available with Ubuntu Pro): wkhtmltopdf 0.9.9-4ubuntu0.1~esm1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6232-1 CVE-2020-21365 Package Information: https://launchpad.net/ubuntu/+source/wkhtmltopdf/0.12.5-1ubuntu0.1 . A major vulnerability in wkhtmltopdf on Ubuntu may leak confidential data through a specially designed document. It is advised to perform an update.. wkhtmltopdf, information exposure, Ubuntu update, Linux patch, security issue. . Severity: Critical. LinuxSecurity.comTeam
It was found that wkhtmltopdf, a command line utility to render HTML files into PDF, allowed local filesystem access by default. This update disables local filesystem access, but it can be enabled if necessary with the --enable-local-file-access or the --allow options. . - ------------------------------------------------------------------------- Debian LTS Advisory DLA-3158-1
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