Artifex MuJS prior b6de34ac6d8bb7dd5461c57940acfbd3ee7fd93e Regex regexp.c js_regcomp integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.69

Summaryinfo

A vulnerability categorized as problematic has been discovered in Artifex MuJS. This affects the function js_regcomp of the file regexp.c of the component Regex Handler. Executing a manipulation can lead to integer overflow. This vulnerability appears as CVE-2016-9108. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Artifex MuJS and classified as problematic. This vulnerability affects the function js_regcomp of the file regexp.c of the component Regex Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. CVE summarizes:

Integer overflow in the js_regcomp function in regexp.c in Artifex Software, Inc. MuJS before commit b6de34ac6d8bb7dd5461c57940acfbd3ee7fd93e allows attackers to cause a denial of service (application crash) via a crafted regular expression.

The bug was discovered 10/30/2016. The weakness was presented 02/03/2017 (Website). The advisory is available at openwall.com. This vulnerability was named CVE-2016-9108 since 10/28/2016. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

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 to version b6de34ac6d8bb7dd5461c57940acfbd3ee7fd93e 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 96006†). See VDB-93164, VDB-93165, VDB-93166 and VDB-93184 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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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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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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: 🔍

Upgrade: MuJS b6de34ac6d8bb7dd5461c57940acfbd3ee7fd93e

Timelineinfo

10/28/2016 🔍
10/30/2016 +2 days 🔍
12/01/2016 +32 days 🔍
12/02/2016 +1 days 🔍
02/03/2017 +63 days 🔍
02/03/2017 +0 days 🔍
02/03/2017 +0 days 🔍
02/03/2017 +0 days 🔍
11/11/2022 +2107 days 🔍

Sourcesinfo

Vendor: artifex.com

Advisory: FEDORA-2016-2edfd75312
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9108 (🔍)
GCVE (CVE): GCVE-0-2016-9108
GCVE (VulDB): GCVE-100-96538
SecurityFocus: 96006 - Artifex MuJS 'regexp.c' Integer Overflow Vulnerability
OSVDB: - CVE-2016-9108 - MuJS - Integer Overflow Issue

See also: 🔍

Entryinfo

Created: 02/03/2017 19:50
Updated: 11/11/2022 15:12
Changes: 02/03/2017 19:50 (79), 11/11/2022 15:12 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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