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CVE-2017-9250

7.5 · HIGH

The lexer_process_char_literal function in jerry-core/parser/js/js-lexer.c in JerryScript 1.0 does not skip memory allocation for empty strings, which allows remote attackers to cause a denial of s…

Published May 28, 2017CWE-476EPSS 2.50%

Overview

CVE-2017-9250 is a high-severity vulnerability. It was published on May 28, 2017 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The lexer_process_char_literal function in jerry-core/parser/js/js-lexer.c in JerryScript 1.0 does not skip memory allocation for empty strings, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via malformed JavaScript source code, related to the jmem_heap_free_block function.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securitytracker.com/id/1038413GitHubgithub.com/jerryscript-project/jerryscript/commit/e58f2880df608652aff7fd35c45b242467ec0e79GitHubgithub.com/jerryscript-project/jerryscript/issues/1821GitHubgithub.com/zherczeg/jerryscript/commit/03a8c630f015f63268639d3ed3bf82cff6fa77d8Refwww.securitytracker.com/id/1038413GitHubgithub.com/jerryscript-project/jerryscript/commit/e58f2880df608652aff7fd35c45b242467ec0e79GitHubgithub.com/jerryscript-project/jerryscript/issues/1821GitHubgithub.com/zherczeg/jerryscript/commit/03a8c630f015f63268639d3ed3bf82cff6fa77d8

How CyberStrike helps

Frequently asked questions

What is CVE-2017-9250?

CVE-2017-9250 is a high-severity vulnerability. It was published on May 28, 2017 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2017-9250?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-9250?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-9250?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-9250 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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