Critical Vulnerability in libppd: Potential Remote Code Execution via PPD Manipulation
Summary
USN-7045-1: libppd vulnerability. Affects libppd versions < 2:2.0.0-0ubuntu4.1. Fixed in 2:2.0.0-0ubuntu4.1. How to fix ↓
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Background
libppd is a library used in Ubuntu systems for handling Printer Description (PPD) files, which define the capabilities of printers. It plays a crucial role in ensuring that print jobs are processed correctly by translating printer-specific features into a format that the operating system can understand. However, a recent vulnerability has been discovered that compromises the integrity of this library, allowing for potential exploitation.
Vulnerability Detail
The vulnerability, identified as CVE-2024-47175, was discovered by Simone Margaritelli. It stems from improper sanitization of Internet Printing Protocol (IPP) data when creating PPD files. This flaw could allow a remote attacker to manipulate PPD files, potentially leading to arbitrary code execution when the affected printer is utilized. The implications of this vulnerability are severe, as it could enable attackers to execute malicious code on the system, compromising its security.
How To Fix
Minimum fixed version
2:2.0.0-0ubuntu4.1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade libppdTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users can avoid using the affected libppd library until the package is updated. Additionally, restricting access to printers that utilize this library may help mitigate the risk of exploitation.
Conclusion
The discovery of the vulnerability in libppd highlights the importance of maintaining up-to-date software to protect against potential exploits. Users are strongly encouraged to apply the necessary updates to safeguard their systems from this critical issue.
See every vulnerability recorded for libppd →
FAQ
libppd is a library in Ubuntu that manages Printer Description files, essential for printer functionality.
The vulnerability allows an attacker to manipulate PPD files, potentially leading to arbitrary code execution on the system.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
Yes, the patched version of libppd is 2:2.0.0-0ubuntu4.1. Users should update to this version to mitigate the risk.
If you cannot update immediately, consider restricting access to the affected printers and avoid using the libppd library until a patch is applied.
