CVE-2020-35738 : Security Advisory and Response
Learn about CVE-2020-35738 affecting WavPack 5.3.0 with an out-of-bounds write vulnerability due to an integer overflow. Find mitigation steps and affected versions here.
WavPack 5.3.0 has an out-of-bounds write vulnerability due to an integer overflow in a malloc argument. This CVE affects versions up to 5.3.2.
Understanding CVE-2020-35738
This CVE involves a critical vulnerability in WavPack 5.3.0 and potentially in later unofficial releases up to 5.3.2.
What is CVE-2020-35738?
The vulnerability in WavPack 5.3.0 is caused by an out-of-bounds write in WavpackPackSamples in pack_utils.c due to an integer overflow in a malloc argument.
The Impact of CVE-2020-35738
This vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by exploiting the out-of-bounds write issue.
Technical Details of CVE-2020-35738
WavPack 5.3.0 vulnerability details and affected systems.
Vulnerability Description
The vulnerability is an out-of-bounds write in WavpackPackSamples in pack_utils.c due to an integer overflow in a malloc argument.
Affected Systems and Versions
- WavPack 5.3.0
- Potentially affects later unofficial releases up to 5.3.2
Exploitation Mechanism
Attackers can exploit this vulnerability to execute arbitrary code or trigger a denial of service by crafting a malicious input.
Mitigation and Prevention
Steps to mitigate and prevent exploitation of CVE-2020-35738.
Immediate Steps to Take
- Apply official patches or updates provided by the vendor.
- Monitor security advisories for any new information or patches.
Long-Term Security Practices
- Regularly update software to the latest versions.
- Implement proper input validation to prevent buffer overflows.
Patching and Updates
- Check for official patches or updates from WavPack to address this vulnerability.