Alerts This Week
Warning Icon 1 758
Alerts This Week
Warning Icon 1 758

Ubuntu 20.04 LTS USN-6277-1 Moderate: Php-Dompdf Risks and Fixes

ubuntu
Calendar Grey August 8, 2023
Dist Ubuntu Esm H88
Various vulnerabilities identified in php-dompdf for Ubuntu related to insecure data handling and possible execution of arbitrary code.
Several security issues were fixed in Dompdf.

Summary

Several security issues were fixed in Dompdf.

Software Description:

- php-dompdf: HTML to PDF converter

Details:

It was discovered that Dompdf was not properly validating untrusted input when

processing HTML content under certain circumstances. An attacker could

possibly use this issue to expose sensitive information or execute arbitrary

code. This issue only affected Ubuntu 16.04 LTS.

(CVE-2014-5011, CVE-2014-5012, CVE-2014-5013)

It was discovered that Dompdf was not properly validating processed HTML

content that referenced PHAR files, which could result in the deserialization

of untrusted data. An attacker could possibly use this issue to execute

arbitrary code. (CVE-2021-3838)

It was discovered that Dompdf was not properly validating processed HTML

content that referenced both a remote base and a local file, which could

result in the bypass of a chroot check. An attacker could possibly use this

issue to expose sensitive information. (CVE-2022-2400)

Topics%20covered

Topics Covered

security advisory arbitrary code execution information exposure ubuntu php-dompdf

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
php-dompdf 0.6.2+dfsg-3ubuntu0.20.04.1

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
php-dompdf 0.6.2+dfsg-3ubuntu0.18.04.1~esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
php-dompdf 0.6.1+dfsg-2ubuntu1+esm1

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6277-1

CVE-2014-5011, CVE-2014-5012, CVE-2014-5013, CVE-2021-3838,

CVE-2022-2400

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6277-1

Topics%20covered

Topics Covered

security advisory arbitrary code execution information exposure ubuntu php-dompdf

Package Information

https://launchpad.net/ubuntu/+source/php-dompdf/0.6.2+dfsg-3ubuntu0.20.04.1

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here