CVE-2018-14739 : Exploit Details and Defense Strategies
Discover the impact of CVE-2018-14739, a vulnerability in the cloudwu PBC library, potentially leading to a segmentation fault. Learn about affected systems, exploitation, and mitigation steps.
A problem has been found in the libpbc.a library in cloudwu PBC prior to the 2017-03-02 version, potentially leading to a segmentation fault (SEGV) in the pbc_pattern_set_default function in pattern.c.
Understanding CVE-2018-14739
This CVE entry highlights a vulnerability in the cloudwu PBC library that could result in a SEGV in a specific function.
What is CVE-2018-14739?
CVE-2018-14739 is a vulnerability in the libpbc.a library in cloudwu PBC before the 2017-03-02 version, which may trigger a segmentation fault in the pbc_pattern_set_default function in pattern.c.
The Impact of CVE-2018-14739
The vulnerability could potentially lead to a denial of service (DoS) condition or allow attackers to execute arbitrary code on the affected system.
Technical Details of CVE-2018-14739
This section provides detailed technical information about the CVE.
Vulnerability Description
The issue resides in the libpbc.a library in cloudwu PBC through 2017-03-02, specifically in the pbc_pattern_set_default function in pattern.c, where a SEGV can occur.
Affected Systems and Versions
- Affected Product: Not applicable
- Affected Vendor: Not applicable
- Affected Version: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by an attacker sending specially crafted input to the vulnerable function, leading to a SEGV.
Mitigation and Prevention
Protecting systems from CVE-2018-14739 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update to the latest version of cloudwu PBC to mitigate the vulnerability.
- Monitor for any unusual system behavior that could indicate exploitation.
Long-Term Security Practices
- Regularly update software and libraries to patch known vulnerabilities.
- Implement strong input validation mechanisms to prevent exploitation of similar issues.
Patching and Updates
Ensure that all systems using cloudwu PBC are regularly updated with the latest security patches to address vulnerabilities like CVE-2018-14739.