CVE-2018-11419 : Exploit Details and Defense Strategies
Learn about CVE-2018-11419, a vulnerability in JerryScript 1.0 that allows a heap-based buffer over-read via a crafted RegExp("[\\u0") payload. Find out the impact, affected systems, exploitation method, and mitigation steps.
JerryScript 1.0 has a detected problem related to a heap-based buffer over-read vulnerability.
Understanding CVE-2018-11419
What is CVE-2018-11419?
An issue in JerryScript 1.0 leads to a heap-based buffer over-read in the lit_read_code_unit_from_hex function due to a RegExp("[\u0") payload.
The Impact of CVE-2018-11419
This vulnerability can be exploited to cause a heap-based buffer over-read, potentially leading to information disclosure or denial of service.
Technical Details of CVE-2018-11419
Vulnerability Description
The issue is related to the re_parse_char_class in the parser/regexp/re-parser.c module.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Version: n/a
Exploitation Mechanism
The vulnerability can be exploited by using a crafted RegExp("[\u0") payload to trigger the heap-based buffer over-read.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor patches or updates once available.
- Monitor vendor communications for security advisories.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Conduct security assessments and code reviews to identify and address vulnerabilities.
Patching and Updates
Ensure to apply patches or updates provided by the vendor to mitigate the vulnerability.