CVE-2019-10654 : Exploit Details and Defense Strategies
Learn about CVE-2019-10654, a denial of service vulnerability in the lzo1x_decompress function in LZO 2.10 and lrzip 0.631, allowing remote attackers to crash applications via crafted archives.
A denial of service vulnerability exists in the lzo1x_decompress function found in liblzo2.so.2 in LZO 2.10, utilized by Long Range Zip (lrzip) version 0.631. Attackers can exploit this remotely by providing a specially crafted archive, leading to an invalid memory read and application crash.
Understanding CVE-2019-10654
This CVE involves a vulnerability in the lzo1x_decompress function used in LZO 2.10 and lrzip 0.631, allowing remote attackers to trigger a denial of service attack.
What is CVE-2019-10654?
The vulnerability in the lzo1x_decompress function in liblzo2.so.2 in LZO 2.10 enables attackers to cause a denial of service through an invalid memory read and application crash by manipulating a crafted archive.
The Impact of CVE-2019-10654
- Attackers can remotely exploit the vulnerability, potentially leading to application crashes.
- This vulnerability is distinct from CVE-2017-8845.
Technical Details of CVE-2019-10654
This section provides more technical insights into the vulnerability.
Vulnerability Description
The lzo1x_decompress function in liblzo2.so.2 in LZO 2.10, as used in lrzip 0.631, allows remote attackers to trigger a denial of service by causing an invalid memory read and application crash through a specially crafted archive.
Affected Systems and Versions
- Product: N/A
- Vendor: N/A
- Versions: N/A
Exploitation Mechanism
- Attackers exploit the vulnerability remotely by providing a specially crafted archive.
Mitigation and Prevention
Protecting systems from CVE-2019-10654 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor patches or updates promptly.
- Implement network security measures to prevent remote exploitation.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Conduct security assessments and penetration testing to identify vulnerabilities.
Patching and Updates
- Stay informed about security advisories and patches related to LZO and lrzip.