CVE-2018-7263 : Security Advisory and Response
Learn about CVE-2018-7263, a vulnerability in the Underbit libmad library up to version 0.15.1b that can lead to a denial of service attack. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability exists in the mad_decoder_run() function found in decoder.c within the Underbit libmad library up to version 0.15.1b. Exploiting this vulnerability may lead to a denial of service by triggering a SIGABRT signal due to double free or corruption within the system. It is also possible that further impacts, which are currently unspecified, can occur by utilizing a specifically crafted file. This vulnerability may overlap with CVE-2017-11552.
Understanding CVE-2018-7263
This CVE entry describes a vulnerability in the Underbit libmad library that could result in a denial of service attack.
What is CVE-2018-7263?
The vulnerability in the mad_decoder_run() function in decoder.c within the Underbit libmad library up to version 0.15.1b can be exploited to trigger a denial of service by causing a SIGABRT signal due to double free or corruption within the system.
The Impact of CVE-2018-7263
- Exploiting this vulnerability may lead to a denial of service attack by triggering a SIGABRT signal.
- Further impacts, currently unspecified, can occur by using a specially crafted file.
- Overlapping vulnerability with CVE-2017-11552.
Technical Details of CVE-2018-7263
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in the mad_decoder_run() function in decoder.c within the Underbit libmad library up to version 0.15.1b allows remote attackers to cause a denial of service or other unspecified impacts via a crafted file.
Affected Systems and Versions
- Affected system: Underbit libmad library up to version 0.15.1b.
Exploitation Mechanism
- Attackers can exploit this vulnerability by utilizing a specifically crafted file to trigger a denial of service.
Mitigation and Prevention
Protecting systems from CVE-2018-7263 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update the Underbit libmad library to a patched version.
- Implement file input validation to prevent exploitation via crafted files.
Long-Term Security Practices
- Regularly update software and libraries to patched versions.
- Conduct security assessments and audits to identify and mitigate vulnerabilities.
Patching and Updates
- Apply patches provided by the Underbit libmad library to address the vulnerability.