Mozilla Firefox up to 57.x WebAssembly memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Mozilla Firefox up to 57.x. Affected by this issue is some unknown functionality of the component WebAssembly. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2018-5093. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Mozilla Firefox up to 57.x (Web Browser). Affected by this issue is some unknown functionality of the component WebAssembly. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. CVE summarizes:

A heap buffer overflow vulnerability may occur in WebAssembly during Memory/Table resizing, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 58.

The bug was discovered 01/23/2018. The weakness was published 01/23/2018 by Abdulrahman Alqabandi with Tencent as MFSA 2018-02 as confirmed security advisory (Website). The advisory is shared for download at mozilla.org. This vulnerability is handled as CVE-2018-5093 since 01/03/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 106790 (Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : firefox regressions (USN-3544-2)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370739 (Mozilla Firefox Multiple Vulnerabilities (mfsa2018-03 mfsa2018-02)).

Upgrading to version 58.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (106790), SecurityFocus (BID 102786†) and SecurityTracker (ID 1040270†). Similar entries are available at VDB-112518, VDB-112519, VDB-112521 and VDB-112522. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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: 106790
Nessus Name: Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : firefox regressions (USN-3544-2)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 71158
OpenVAS Name: Mozilla Firefox Security Updates( mfsa_2018-02_2018-03 )-Windows
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: Firefox 58.0

Timelineinfo

01/03/2018 🔍
01/23/2018 +20 days 🔍
01/23/2018 +0 days 🔍
01/23/2018 +0 days 🔍
01/23/2018 +0 days 🔍
01/24/2018 +1 days 🔍
01/28/2018 +4 days 🔍
02/13/2018 +16 days 🔍
06/11/2018 +117 days 🔍
12/30/2019 +567 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2018-02
Researcher: Abdulrahman Alqabandi
Organization: Tencent
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-5093 (🔍)
GCVE (CVE): GCVE-0-2018-5093
GCVE (VulDB): GCVE-100-112520

OVAL: 🔍

SecurityFocus: 102786 - Mozilla Firefox MFSA2018-02 Multiple Security Vulnerabilities
SecurityTracker: 1040270

See also: 🔍

Entryinfo

Created: 01/28/2018 10:17
Updated: 12/30/2019 11:25
Changes: 01/28/2018 10:17 (78), 12/30/2019 11:25 (10)
Complete: 🔍
Cache ID: 216::103

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