Mozilla Firefox 44 once use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Mozilla Firefox 44. Affected by this issue is some unknown functionality of the component once. Such manipulation leads to use after free. This vulnerability is documented as CVE-2016-1972. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Mozilla Firefox 44 (Web Browser). Affected by this issue is an unknown functionality of the component once. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Race condition in libvpx in Mozilla Firefox before 45.0 on Windows might allow remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via unknown vectors.

The weakness was released 03/08/2016 by Ronald Crane as MFSA 2016-32 as confirmed security advisory (Website). The advisory is shared for download at mozilla.org. This vulnerability is handled as CVE-2016-1972 since 01/20/2016. 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 current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/11/2024).

The vulnerability scanner Nessus provides a plugin with the ID 89765 (FreeBSD : mozilla -- multiple vulnerabilities (2225c5b4-1e5a-44fc-9920-b3201c384a15)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124781 (Mozilla Firefox Multiple Vulnerabilities (MFSA 2016-16 to MFSA 2016-38)).

Upgrading 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 X-Force (111357), Tenable (89765), SecurityFocus (BID 84220†) and Vulnerability Center (SBV-57165†). Entries connected to this vulnerability are available at VDB-81202, VDB-81204, VDB-81205 and VDB-81208. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.6

VulDB Base Score: 9.8
VulDB Temp Score: 8.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 89765
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (2225c5b4-1e5a-44fc-9920-b3201c384a15)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802891
OpenVAS Name: Mozilla Firefox Multiple Vulnerabilities - Mar16 (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: 🔍

Timelineinfo

01/20/2016 🔍
03/07/2016 +47 days 🔍
03/07/2016 +0 days 🔍
03/08/2016 +0 days 🔍
03/08/2016 +0 days 🔍
03/08/2016 +0 days 🔍
03/08/2016 +0 days 🔍
03/09/2016 +0 days 🔍
03/13/2016 +4 days 🔍
10/11/2024 +3134 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2016-32
Researcher: Ronald Crane
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1972 (🔍)
GCVE (CVE): GCVE-0-2016-1972
GCVE (VulDB): GCVE-100-81236
X-Force: 111357 - Mozilla Firefox once code execution
SecurityFocus: 84220 - Mozilla Firefox Multiple Security Vulnerabilities
SecurityTracker: 1035215
Vulnerability Center: 57165 - Mozilla Firefox <45 on Windows Remote Unspecified Vulnerability in |once| in WebRTC and LibVPX - CVE-2016-1972, Medium

See also: 🔍

Entryinfo

Created: 03/09/2016 10:22
Updated: 10/11/2024 13:13
Changes: 03/09/2016 10:22 (68), 09/02/2018 10:37 (19), 07/09/2022 14:28 (3), 10/11/2024 13:13 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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