CVE-2017-7453 : Security Advisory and Response
Learn about CVE-2017-7453 affecting ImageWorsener 1.3.0, allowing remote attackers to trigger a denial of service via a crafted file. Find mitigation steps and prevention measures.
ImageWorsener 1.3.0 is susceptible to a denial of service vulnerability due to a NULL pointer dereference when processing crafted files.
Understanding CVE-2017-7453
A denial of service vulnerability in ImageWorsener 1.3.0 can be triggered by a specially crafted file, leading to a NULL pointer dereference in the imagew-gif.c file.
What is CVE-2017-7453?
The vulnerability in ImageWorsener 1.3.0 allows remote attackers to exploit the iwgif_record_pixel function, resulting in a denial of service condition.
The Impact of CVE-2017-7453
Exploitation of this vulnerability can lead to a denial of service (NULL pointer dereference) in ImageWorsener 1.3.0 when triggered remotely.
Technical Details of CVE-2017-7453
ImageWorsener 1.3.0 is affected by a specific vulnerability that can be exploited remotely.
Vulnerability Description
The iwgif_record_pixel function in imagew-gif.c within libimageworsener.a in ImageWorsener 1.3.0 is the target of the exploit, allowing attackers to cause a denial of service through a NULL pointer dereference by using a malicious file.
Affected Systems and Versions
- Product: ImageWorsener 1.3.0
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
The vulnerability can be exploited remotely by sending a specially crafted file to the affected system, triggering the NULL pointer dereference in the iwgif_record_pixel function.
Mitigation and Prevention
To address CVE-2017-7453 and enhance system security, consider the following steps:
Immediate Steps to Take
- Apply vendor patches or updates promptly.
- Restrict access to vulnerable systems.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update software and applications to the latest versions.
- Implement network segmentation to isolate critical systems.
- Conduct regular security assessments and penetration testing.
Patching and Updates
- Check for security advisories from the vendor.
- Apply patches or updates provided by ImageWorsener to mitigate the vulnerability.