CVE-2019-18899 : Exploit Details and Defense Strategies
Learn about CVE-2019-18899, an insecure use of /run/apt-cacher-ng vulnerability in openSUSE Leap 15.1. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
CVE-2019-18899, assigned by SUSE, relates to an insecure use of /run/apt-cacher-ng in the apt-cacher-ng package in openSUSE Leap 15.1.
Understanding CVE-2019-18899
This CVE involves a vulnerability in the apt-cacher-ng package in openSUSE Leap 15.1 that could be exploited by local attackers.
What is CVE-2019-18899?
In openSUSE Leap 15.1, the apt-cacher-ng package operates in the user's directory /run/apt-cacher-ng with root privileges, potentially allowing local attackers to manipulate the results of operations. The vulnerability affects versions earlier than 3.1-lp151.3.3.1.
The Impact of CVE-2019-18899
The vulnerability could lead to local attackers manipulating the results of operations performed by the apt-cacher-ng package, potentially compromising the integrity of the system.
Technical Details of CVE-2019-18899
This section provides more technical insights into the vulnerability.
Vulnerability Description
The apt-cacher-ng package in openSUSE Leap 15.1 operates in the user's directory /run/apt-cacher-ng with root privileges, creating a security risk for potential manipulation by local attackers.
Affected Systems and Versions
- Vendor: openSUSE
- Product: Leap 15.1
- Affected Versions: apt-cacher-ng versions earlier than 3.1-lp151.3.3.1
Exploitation Mechanism
The vulnerability can be exploited by local attackers who have access to the system, allowing them to potentially manipulate the results of operations performed by the apt-cacher-ng package.
Mitigation and Prevention
Protecting systems from CVE-2019-18899 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update the apt-cacher-ng package to version 3.1-lp151.3.3.1 or later.
- Monitor system logs for any suspicious activities.
Long-Term Security Practices
- Implement the principle of least privilege to restrict unnecessary access.
- Regularly audit and review system configurations to identify security gaps.
Patching and Updates
- Apply security patches provided by openSUSE to address the vulnerability.