- Vulnerability/
- USN-6277-2
USN-6277-2: Dompdf vulnerabilities
First published: Thu Aug 10 2023(Updated: )
USN-6277-1 fixed vulnerabilities in Dompdf. This update provides the corresponding updates for Ubuntu 22.04 LTS. Original advisory 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)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/php-dompdf | <0.6.2+dfsg-3.1ubuntu0.1 | 0.6.2+dfsg-3.1ubuntu0.1 |
| Ubuntu | =22.04 |
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Frequently Asked Questions
What vulnerabilities are fixed in USN-6277-2?
USN-6277-1 fixed vulnerabilities in Dompdf. This update provides the corresponding updates for Ubuntu 22.04 LTS.
How does the Dompdf vulnerability affect Ubuntu 22.04 LTS?
The vulnerability could allow an attacker to execute arbitrary code or cause a denial of service.
What is the severity of the Dompdf vulnerabilities?
The severity of the vulnerabilities is not specified in the advisory.
How can I fix the Dompdf vulnerabilities in Ubuntu 22.04 LTS?
Update the php-dompdf package to version 0.6.2+dfsg-3.1ubuntu0.1 or later.
Where can I find more information about the Dompdf vulnerabilities?
More information can be found in the Ubuntu security notices: USN-6277-1.
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