CVE-2020-12825 : What You Need to Know
Learn about CVE-2020-12825, a vulnerability in libcroco through 0.6.13 leading to stack consumption. Find out how to mitigate the excessive recursion issue and prevent potential DoS attacks.
libcroco through 0.6.13 has excessive recursion in cr_parser_parse_any_core in cr-parser.c, leading to stack consumption.
Understanding CVE-2020-12825
What is CVE-2020-12825?
CVE-2020-12825 is a vulnerability found in libcroco through version 0.6.13, where excessive recursion in cr_parser_parse_any_core in cr-parser.c can result in stack consumption.
The Impact of CVE-2020-12825
This vulnerability can potentially lead to a denial of service (DoS) condition due to excessive stack usage, impacting the availability of the affected system.
Technical Details of CVE-2020-12825
Vulnerability Description
The vulnerability in libcroco through 0.6.13 is caused by excessive recursion in the cr_parser_parse_any_core function in cr-parser.c, leading to stack consumption.
Affected Systems and Versions
- Product: N/A
- Vendor: N/A
- Versions affected: N/A
Exploitation Mechanism
The vulnerability can be exploited by an attacker to craft a malicious input that triggers excessive recursion, leading to the consumption of the stack.
Mitigation and Prevention
Immediate Steps to Take
- Update to a patched version of libcroco to mitigate the vulnerability.
- Monitor system resources for any signs of excessive stack usage.
Long-Term Security Practices
- Regularly update software and libraries to address known vulnerabilities.
- Implement stack usage monitoring and limits to prevent stack exhaustion.
Patching and Updates
Apply patches provided by the vendor or project maintainers to address the vulnerability in libcroco.