CVE-2020-24294 : Exploit Details and Defense Strategies
Learn about CVE-2020-24294, a Buffer Overflow vulnerability in psdParser::UnpackRLE function in FreeImage 3.19.0 [r1859] allowing remote attackers to cause denial of service. Find mitigation steps and prevention measures here.
CVE-2020-24294 is a Buffer Overflow vulnerability in psdParser::UnpackRLE function in FreeImage 3.19.0 [r1859] that allows remote attackers to cause a denial of service by opening a crafted psd file.
Understanding CVE-2020-24294
This CVE identifies a specific vulnerability in FreeImage 3.19.0 [r1859] that can be exploited by remote attackers.
What is CVE-2020-24294?
The CVE-2020-24294 vulnerability involves a Buffer Overflow issue in the psdParser::UnpackRLE function within the PSDParser.cpp file of FreeImage 3.19.0 [r1859]. This flaw enables malicious actors to trigger a denial of service by manipulating a specially crafted psd file.
The Impact of CVE-2020-24294
The exploitation of this vulnerability can lead to a denial of service condition, potentially disrupting the normal operation of the affected system.
Technical Details of CVE-2020-24294
This section provides more in-depth technical insights into the CVE-2020-24294 vulnerability.
Vulnerability Description
The vulnerability arises due to a Buffer Overflow issue in the psdParser::UnpackRLE function of FreeImage 3.19.0 [r1859].
Affected Systems and Versions
- Vendor: n/a
- Product: n/a
- Versions Affected: FreeImage 3.19.0 [r1859]
Exploitation Mechanism
The vulnerability can be exploited remotely by sending a specially crafted psd file to the target system, triggering the Buffer Overflow and causing a denial of service.
Mitigation and Prevention
To address CVE-2020-24294, it is crucial to implement appropriate mitigation strategies and preventive measures.
Immediate Steps to Take
- Avoid opening psd files from untrusted or unknown sources.
- Consider using alternative image processing libraries until a patch is available.
Long-Term Security Practices
- Regularly update software and libraries to ensure the latest security patches are applied.
- Conduct security assessments and code reviews to identify and address vulnerabilities proactively.
Patching and Updates
- Monitor for patches or updates from FreeImage to address the Buffer Overflow vulnerability in version 3.19.0 [r1859].