CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4	$0-$5k	0.04

A vulnerability was found in Artifex MuJS and classified as critical. Affected by this issue is the function js_pushstring of the file jsrun.c. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Artifex Software, Inc. MuJS before 4006739a28367c708dea19aeb19b8a1a9326ce08. The jsR_setproperty function in jsrun.c lacks a check for a negative array length. This leads to an integer overflow in the js_pushstring function in jsrun.c when parsing a specially crafted JS file.

The bug was discovered 01/29/2017. The weakness was presented 01/30/2017 (Website). The advisory is available at git.ghostscript.com. This vulnerability is handled as CVE-2017-5627 since 01/29/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 97338 (Fedora 24 : mujs (2017-624e2eeda0)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276478 (Fedora Security Update for mujs (FEDORA-2017-dc6023e849)).

Upgrading to version 4006739a28367c708dea19aeb19b8a1a9326ce08 eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (97338). See 95292, 96279, 98499 and 98500 for similar entries.

Productinfo

Vendor

• Artifex

Name

• MuJS

Version

• 1
• 1.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.0.4
• 1.0.5
• 1.0.6
• 1.0.7
• 1.1
• 1.1.1
• 1.1.3
• 1.2
• 1.3
• 1.3.1
• 5c337af4b3df80cf967e4f9f6a21522de84b392a
• 8c805b4eb19cf2af689c860b77e6111d2ee439d5
• 8f62ea10a0af68e56d5c00720523ebcba13c2e6a

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 97338
Nessus Name: Fedora 24 : mujs (2017-624e2eeda0)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for mujs FEDORA-2017-dc6023e849
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: MuJS 4006739a28367c708dea19aeb19b8a1a9326ce08
Patch: 4006739a28367c708dea19aeb19b8a1a9326ce08

Timelineinfo

01/29/2017 🔍
01/29/2017 +0 days 🔍
01/29/2017 +0 days 🔍
01/29/2017 +0 days 🔍
01/30/2017 +1 days 🔍
01/30/2017 +0 days 🔍
02/22/2017 +23 days 🔍
02/23/2017 +1 days 🔍
11/11/2022 +2087 days 🔍

Sourcesinfo

Vendor: artifex.com

Advisory: FEDORA-2017-624e2eeda0
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-5627 (🔍)
SecurityFocus: 95856 - Artifex MuJS 'mujs/jsrun.c' Integer Overflow Vulnerability
OSVDB: - CVE-2017-5627 - Artifex - MuJS - Integer Overflow Issue

See also: 🔍

Entryinfo

Created: 01/30/2017 17:28
Updated: 11/11/2022 08:31
Changes: 01/30/2017 17:28 (75), 08/07/2020 14:23 (7), 11/11/2022 08:27 (3), 11/11/2022 08:31 (1)
Complete: 🔍
Cache ID: 3:589:103

Discussion

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