Mozilla Firefox up to 50 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Mozilla Firefox up to 50. Affected is an unknown function. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2017-5373. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Mozilla Firefox up to 50 (Web Browser) and classified as critical. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 01/24/2017. The weakness was disclosed 01/24/2017 by Christian Holler as MFSA 2017-01 as confirmed security advisory (Website). It is possible to read the advisory at mozilla.org. This vulnerability is known as CVE-2017-5373 since 01/13/2017. 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. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 96804 (Slackware 14.1 / 14.2 / current : mozilla-thunderbird (SSA:2017-026-01)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Slackware Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196674 (Ubuntu Security Notification for Thunderbird Vulnerabilities (USN-3165-1)).

Upgrading to version 51 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 (96804), SecurityFocus (BID 95762†) and SecurityTracker (ID 1037693†). The entries VDB-96001, VDB-96002, VDB-96003 and VDB-96004 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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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: 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: 96804
Nessus Name: Slackware 14.1 / 14.2 / current : mozilla-thunderbird (SSA:2017-026-01)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 881932
OpenVAS Name: CentOS Update for thunderbird CESA-2017:0238 centos7
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 51

Timelineinfo

01/13/2017 🔍
01/24/2017 +11 days 🔍
01/24/2017 +0 days 🔍
01/24/2017 +0 days 🔍
01/24/2017 +0 days 🔍
01/25/2017 +1 days 🔍
01/26/2017 +1 days 🔍
01/27/2017 +1 days 🔍
06/11/2018 +499 days 🔍
11/25/2025 +2725 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2017-01
Researcher: Christian Holler
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-5373 (🔍)
GCVE (CVE): GCVE-0-2017-5373
GCVE (VulDB): GCVE-100-96007

OVAL: 🔍

SecurityFocus: 95762 - Mozilla Firefox CVE-2017-5373 Multiple Unspecified Memory Corruption Vulnerabilities
OSVDB: - CVE-2017-5373 - Mozilla - Multiple Products - Memory Corruption Issue
SecurityTracker: 1037693

See also: 🔍

Entryinfo

Created: 01/26/2017 15:17
Updated: 11/25/2025 23:18
Changes: 01/26/2017 15:17 (80), 08/02/2020 14:38 (7), 11/04/2022 08:57 (3), 11/25/2025 23:18 (15)
Complete: 🔍
Cache ID: 216:A67:103

Be aware that VulDB is the high quality source for vulnerability data.

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