Artifex MuJS Escape out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Artifex MuJS. The affected element is an unknown function of the component Escape Handler. The manipulation leads to out-of-bounds. This vulnerability is traded as CVE-2016-9109. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Artifex MuJS (the affected version is unknown). This issue affects an unknown code of the component Escape Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is availability. The summary by CVE is:

Artifex Software MuJS allows attackers to cause a denial of service (crash) via vectors related to incomplete escape sequences. NOTE: this vulnerability exists due to an incomplete fix for CVE-2016-7563.

The bug was discovered 10/30/2016. The weakness was shared 01/18/2017 by Gustavo Grieco (Website). It is possible to read the advisory at openwall.com. The identification of this vulnerability is CVE-2016-9109 since 10/28/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 32 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 95458 (Fedora 23 : mujs / zathura-pdf-mupdf (2016-2edfd75312)), 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.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (95458) and SecurityFocus (BID 94150†). The entries VDB-93164, VDB-93165, VDB-93166 and VDB-93184 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 95458
Nessus Name: Fedora 23 : mujs / zathura-pdf-mupdf (2016-2edfd75312)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 871109
OpenVAS Name: Fedora Update for mujs FEDORA-2016-49a72fb9bd
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/28/2016 🔍
10/30/2016 +2 days 🔍
10/30/2016 +0 days 🔍
12/01/2016 +32 days 🔍
12/02/2016 +1 days 🔍
01/18/2017 +47 days 🔍
01/18/2017 +0 days 🔍
01/19/2017 +1 days 🔍
05/13/2026 +3401 days 🔍

Sourcesinfo

Vendor: artifex.com

Advisory: FEDORA-2016-2edfd75312
Researcher: Gustavo Grieco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-9109 (🔍)
GCVE (CVE): GCVE-0-2016-9109
GCVE (VulDB): GCVE-100-95519
SecurityFocus: 94150 - MuJS CVE-2016-9109 Incomplete Fix Heap Based Buffer Overflow Vulnerability
OSVDB: - CVE-2016-9109 - Artifex Software - MuJS - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 01/19/2017 09:46
Updated: 05/13/2026 16:18
Changes: 01/19/2017 09:46 (68), 07/24/2020 17:48 (9), 11/01/2022 14:39 (4), 05/13/2026 16:18 (18)
Complete: 🔍
Cache ID: 216::103

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