Artifex MuJS jsfunction.c Fp_toString memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

A vulnerability was found in Artifex MuJS (version now known). It has been classified as critical. Affected is the function Fp_toString of the file jsfunction.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in the Fp_toString function in jsfunction.c in Artifex Software MuJS allows attackers to cause a denial of service (crash) via crafted input.

The bug was discovered 01/18/2017. The weakness was shared 01/18/2017 (Website). The advisory is available at openwall.com. This vulnerability is traded as CVE-2016-7564 since 09/09/2016. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 93973 (Fedora 23 : mujs / zathura-pdf-mupdf (2016-1b9d24c2b6)), 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 vulnerability database at Tenable (93973). The entry VDB-95513 is related to this item.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 93973
Nessus Name: Fedora 23 : mujs / zathura-pdf-mupdf (2016-1b9d24c2b6)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 10247
OpenVAS Name: Fedora Update for zathura-pdf-mupdf FEDORA-2016-1b9d24c2b6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/09/2016 🔍
10/10/2016 +31 days 🔍
10/12/2016 +2 days 🔍
01/18/2017 +98 days 🔍
01/18/2017 +0 days 🔍
01/18/2017 +0 days 🔍
01/19/2017 +1 days 🔍
11/01/2022 +2112 days 🔍

Sourcesinfo

Vendor: artifex.com

Advisory: FEDORA-2016-1b9d24c2b6
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-7564 (🔍)
OSVDB: - CVE-2016-7564 - Artifex Software - MuJS - Buffer Overflow Issue

See also: 🔍

Entryinfo

Created: 01/19/2017 09:45 AM
Updated: 11/01/2022 02:30 PM
Changes: 01/19/2017 09:45 AM (66), 07/24/2020 05:23 PM (6), 11/01/2022 02:30 PM (3)
Complete: 🔍
Cache ID: 18:19A:40

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