CVE-2018-17333 : Security Advisory and Response

A vulnerability was found in libsvg2 prior to 2012-10-19. The function svgStringToLength in svg_types.c contains a stack-based buffer overflow, which can be exploited by remote attackers to cause a denial of service (application crash) or potentially other unspecified impacts, due to the misuse of sscanf.

Understanding CVE-2018-17333

This CVE entry describes a stack-based buffer overflow vulnerability in libsvg2 that could lead to a denial of service or other impacts when exploited by remote attackers.

What is CVE-2018-17333?

CVE-2018-17333 is a vulnerability in libsvg2 that allows remote attackers to trigger a denial of service or potentially other impacts by exploiting a stack-based buffer overflow in the svgStringToLength function.

The Impact of CVE-2018-17333

The vulnerability in libsvg2 could result in a denial of service (application crash) or other unspecified impacts when malicious actors misuse sscanf to trigger the buffer overflow.

Technical Details of CVE-2018-17333

This section provides more technical insights into the vulnerability.

Vulnerability Description

The stack-based buffer overflow in the svgStringToLength function of libsvg2 allows remote attackers to exploit the vulnerability.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

The vulnerability can be exploited remotely by misusing sscanf, leading to a denial of service or other potential impacts.

Mitigation and Prevention

Protecting systems from CVE-2018-17333 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply patches or updates provided by the vendor promptly.
Implement network security measures to prevent remote exploitation.

Long-Term Security Practices

Regularly update software and libraries to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and mitigate potential risks.

Patching and Updates

Ensure that the libsvg2 library is updated to a version that addresses the stack-based buffer overflow vulnerability.