Mozilla Firefox up to 61.x memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Mozilla Firefox up to 61.x. This affects an unknown function. The manipulation results in memory corruption. This vulnerability is known as CVE-2018-12375. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Mozilla Firefox up to 61.x (Web Browser). Affected is an unknown code block. 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:

Memory safety bugs present in Firefox 61. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 62.

The bug was discovered 09/05/2018. The weakness was published 10/18/2018 as Bug 1478849 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.mozilla.org. This vulnerability is traded as CVE-2018-12375 since 06/14/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/30/2023).

The vulnerability scanner Nessus provides a plugin with the ID 117291 (Mozilla Firefox < 62 Multiple Critical Vulnerabilities (macOS)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371173 (Mozilla Firefox Multiple Vulnerabilities (MFSA-2018-20,MFSA-2018-21)).

Upgrading to version 62.0 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (117291) and SecurityFocus (BID 105276†). Similar entries are available at VDB-125761, VDB-125762, VDB-125763 and VDB-125764. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: 117291
Nessus Name: Mozilla Firefox < 62 Multiple Critical Vulnerabilities (macOS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firefox 62.0

Timelineinfo

06/14/2018 🔍
09/05/2018 +83 days 🔍
09/05/2018 +0 days 🔍
09/05/2018 +0 days 🔍
09/06/2018 +1 days 🔍
10/18/2018 +41 days 🔍
10/18/2018 +0 days 🔍
10/19/2018 +1 days 🔍
05/30/2023 +1684 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1478849
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-12375 (🔍)
GCVE (CVE): GCVE-0-2018-12375
GCVE (VulDB): GCVE-100-125760
SecurityFocus: 105276 - Mozilla Firefox MFSA2018-20 Multiple Security Vulnerabilities
SecurityTracker: 1041610

See also: 🔍

Entryinfo

Created: 10/19/2018 06:41
Updated: 05/30/2023 10:15
Changes: 10/19/2018 06:41 (75), 04/05/2020 12:23 (4), 05/30/2023 10:15 (4)
Complete: 🔍
Cache ID: 216::103

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