CVE-2017-9250 : The lexer_process_char_literal function in jerry-core/parser/js/js-lexer.c in Je

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.

Published 2017-05-28 20:29:00

Updated 2020-10-28 19:42:54

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory CorruptionDenial of service

Products affected by CVE-2017-9250

Jerryscript » Jerryscript » Version: 1.0
cpe:2.3:a:jerryscript:jerryscript:1.0:-:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2017-9250

EPSS FAQ

0.42%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 74 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-9250

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2017-9250

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-9250

https://github.com/jerryscript-project/jerryscript/commit/e58f2880df608652aff7fd35c45b242467ec0e79

Do not allocate memory for zero length strings. (#1844) · jerryscript-project/jerryscript@e58f288 · GitHub
Patch;Third Party Advisory
https://github.com/jerryscript-project/jerryscript/issues/1821

Denial of Service: Null Pointer De-reference · Issue #1821 · jerryscript-project/jerryscript · GitHub
Exploit;Third Party Advisory
https://github.com/zherczeg/jerryscript/commit/03a8c630f015f63268639d3ed3bf82cff6fa77d8

Do not allocate memory for zero length strings. · zherczeg/jerryscript@03a8c63 · GitHub
Third Party Advisory
http://www.securitytracker.com/id/1038413

F5 BIG-IP Bug in Web Configuration Utility, iControl REST, and iControl SOAP Lets Remote Users Delete Arbitrary Files on the Target System - SecurityTracker
Third Party Advisory;VDB Entry

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Vulnerability Details : CVE-2017-9250

Products affected by CVE-2017-9250

Exploit prediction scoring system (EPSS) score for CVE-2017-9250

CVSS scores for CVE-2017-9250

CWE ids for CVE-2017-9250

References for CVE-2017-9250