Mozilla Firefox up to 54 Image Observer use after free

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 54. Impacted is an unknown function of the component Image Observer. This manipulation causes use after free. This vulnerability appears as CVE-2017-7784. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 54 (Web Browser). It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Image Observer. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 08/08/2017. The weakness was presented 08/08/2017 by Nils as MFSA 2017-18 as confirmed security advisory (Website). The advisory is shared at mozilla.org. This vulnerability is known as CVE-2017-7784 since 04/12/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 102882 (CentOS 6 / 7 : thunderbird (CESA-2017:2534)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370507 (Mozilla Firefox Multiple Vulnerabilities. (mfsa2017-18,mfsa2017-19)).

Upgrading to version 55 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 (102882), SecurityFocus (BID 100202†) and SecurityTracker (ID 1039124†). See VDB-105249, VDB-105250, VDB-105251 and VDB-105252 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 9.8
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: Use after free
CWE: CWE-416 / 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: 102882
Nessus Name: CentOS 6 / 7 : thunderbird (CESA-2017:2534)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703926
OpenVAS Name: Debian Security Advisory DSA 3928-1 (firefox-esr - security update)
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 55

Timelineinfo

04/12/2017 🔍
08/08/2017 +118 days 🔍
08/08/2017 +0 days 🔍
08/08/2017 +0 days 🔍
08/08/2017 +0 days 🔍
08/10/2017 +2 days 🔍
08/12/2017 +2 days 🔍
09/01/2017 +20 days 🔍
06/11/2018 +282 days 🔍
01/09/2021 +943 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2017-18
Researcher: Nils (Nils)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7784 (🔍)
GCVE (CVE): GCVE-0-2017-7784
GCVE (VulDB): GCVE-100-105253

OVAL: 🔍

SecurityFocus: 100202 - Mozilla Firefox and Firefox ESR Multiple Use After Free Remote Code Execution Vulnerabilities
SecurityTracker: 1039124

See also: 🔍

Entryinfo

Created: 08/13/2017 00:07
Updated: 01/09/2021 08:22
Changes: 08/13/2017 00:07 (81), 11/06/2019 15:26 (6), 01/09/2021 08:18 (2), 01/09/2021 08:22 (1)
Complete: 🔍
Cache ID: 216:CA9:103

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