National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-6191 Detail

Current Description

The js_strtod function in jsdtoa.c in Artifex MuJS through 1.0.2 has an integer overflow because of incorrect exponent validation.

Source:  MITRE
Description Last Modified:  01/24/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8


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

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.ghostscript.com/?p=mujs.git;a=commit;h=25821e6d74fab5fcc200fe5e818362e03e114428 Patch Third Party Advisory
http://www.securityfocus.com/bid/102840 Third Party Advisory VDB Entry
https://bugs.ghostscript.com/show_bug.cgi?id=698920 Permissions Required
https://www.exploit-db.com/exploits/43903/ Exploit Patch Third Party Advisory VDB Entry

Technical Details

Vulnerability Type (View All)

  • Integer Overflow or Wraparound (CWE-190)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:artifex:mujs:*:*:*:*:*:*:*:*    versions up to (including) 1.0.2

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

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-6191
NVD Published Date:
01/24/2018
NVD Last Modified:
02/09/2018