CVE-2017-7960 : What You Need to Know
Learn about CVE-2017-7960, a vulnerability in libcroco 0.6.11 and 0.6.12 that allows remote attackers to trigger a denial of service attack via a crafted CSS file. Find mitigation steps and prevention measures here.
A crafted CSS file can be used by remote attackers to cause a denial of service (heap-based buffer over-read) via the cr_input_new_from_uri function in cr-input.c, as found in libcroco 0.6.11 and 0.6.12.
Understanding CVE-2017-7960
This CVE involves a vulnerability in libcroco that allows remote attackers to trigger a denial of service attack through a specific CSS file.
What is CVE-2017-7960?
The vulnerability in libcroco 0.6.11 and 0.6.12 enables remote attackers to exploit a heap-based buffer over-read by utilizing a maliciously crafted CSS file.
The Impact of CVE-2017-7960
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-2017-7960
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The cr_input_new_from_uri function in cr-input.c in libcroco 0.6.11 and 0.6.12 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted CSS file.
Affected Systems and Versions
- Product: N/A
- Vendor: N/A
- Versions: 0.6.11 and 0.6.12
Exploitation Mechanism
The vulnerability can be exploited remotely by utilizing a specially crafted CSS file to trigger the heap-based buffer over-read.
Mitigation and Prevention
Protecting systems from CVE-2017-7960 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Implement network security measures to prevent unauthorized access.
- Monitor system logs for any suspicious activities.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and mitigate potential risks.
- Educate users on safe browsing habits and the importance of cybersecurity awareness.
Patching and Updates
Regularly check for security advisories from the vendor and apply patches as soon as they are released.