Mozilla Firefox 44 Network Security Services ASN.1 Structure memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Mozilla Firefox 44. This issue affects some unknown processing of the component Network Security Services. The manipulation as part of ASN.1 Structure leads to memory corruption. This vulnerability is traded as CVE-2016-1950. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox 44 (Web Browser) and classified as critical. This issue affects an unknown code of the component Network Security Services. The manipulation as part of a ASN.1 Structure 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 confidentiality, integrity, and availability.

The weakness was shared 03/08/2016 as MFSA 2016-35 as confirmed security advisory (Website). It is possible to read the advisory at mozilla.org. The identification of this vulnerability is CVE-2016-1950 since 01/20/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/23/2024).

The vulnerability scanner Nessus provides a plugin with the ID 89768 (FreeBSD : NSS -- multiple vulnerabilities (c4292768-5273-4f17-a267-c5fe35125ce4)), 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 175857 (Debian Security Update for nss (DSA 3688-1)).

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 (111360), Tenable (89768), SecurityFocus (BID 84223†) and Vulnerability Center (SBV-57159†). The entries VDB-80690, VDB-81480, VDB-81510 and VDB-92777 are related to this item. Be aware that VulDB is the high quality 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: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: 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: 89768
Nessus Name: FreeBSD : NSS -- multiple vulnerabilities (c4292768-5273-4f17-a267-c5fe35125ce4)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800298
OpenVAS Name: Amazon Linux Local Check: alas-2016-667
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 🔍
03/12/2016 +3 days 🔍
10/23/2024 +3146 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2016-35
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1950 (🔍)
GCVE (CVE): GCVE-0-2016-1950
GCVE (VulDB): GCVE-100-81239

OVAL: 🔍

X-Force: 111360 - Mozilla Firefox ASN.1 buffer overflow
SecurityFocus: 84223 - Mozilla Network Security Services CVE-2016-1950 Heap Buffer Overflow Vulnerability
SecurityTracker: 1035215
Vulnerability Center: 57159 - Mozilla NSS <3.19.2.3 and 3.21 Remote Heap-Based Buffer Overflow via a Crafted Certificate Allows Code Execution or DoS, Critical

See also: 🔍

Entryinfo

Created: 03/09/2016 10:23
Updated: 10/23/2024 03:38
Changes: 03/09/2016 10:23 (61), 09/02/2018 10:35 (28), 07/09/2022 14:35 (4), 10/23/2024 03:38 (25)
Complete: 🔍
Cache ID: 216::103

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

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