National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-9250 Detail

Current 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.

Source:  MITRE
Description Last Modified:  05/28/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securitytracker.com/id/1038413
https://github.com/jerryscript-project/jerryscript/commit/e58f2880df608652aff7fd35c45b242467ec0e79 Patch Third Party Advisory
https://github.com/jerryscript-project/jerryscript/issues/1821 Exploit Third Party Advisory
https://github.com/zherczeg/jerryscript/commit/03a8c630f015f63268639d3ed3bf82cff6fa77d8 Patch Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • NULL Pointer Dereference (CWE-476)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:jerryscript:jerryscript:1.0:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-9250
NVD Published Date:
05/28/2017
NVD Last Modified:
07/07/2017