Mozilla Firefox 44 Brotli Library numeric error

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Mozilla Firefox 44. This vulnerability affects unknown code of the component Brotli Library. The manipulation results in numeric error. This vulnerability is identified as CVE-2016-1968. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Mozilla Firefox 44 (Web Browser). Affected is some unknown functionality of the component Brotli Library. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Integer underflow in Brotli, as used in Mozilla Firefox before 45.0, allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via crafted data with brotli compression.

The weakness was released 03/08/2016 as MFSA 2016-30 as confirmed security advisory (Website). The advisory is shared for download at mozilla.org. This vulnerability is traded as CVE-2016-1968 since 01/20/2016. The exploitability is told to be easy. 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 vulnerability scanner Nessus provides a plugin with the ID 89764 (FreeBSD : brotli -- buffer overflow (1bcfd963-e483-41b8-ab8e-bad5c3ce49c9)), 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 168647 (OpenSuSE Security Update for Security MozillaFirefox, mozilla-nspr, (openSUSE-SU-2016:0731-1)).

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 (111337), Tenable (89764) and Vulnerability Center (SBV-57154†). Entries connected to this vulnerability are available at VDB-81220, VDB-81219, VDB-81218 and VDB-81217. 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: 8.8
VulDB Meta Temp Score: 8.2

VulDB Base Score: 8.8
VulDB Temp Score: 7.7
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: Numeric error
CWE: CWE-189
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: 89764
Nessus Name: FreeBSD : brotli -- buffer overflow (1bcfd963-e483-41b8-ab8e-bad5c3ce49c9)
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 🔍
03/08/2016 +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 🔍
07/09/2022 +2309 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2016-30
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1968 (🔍)
GCVE (CVE): GCVE-0-2016-1968
GCVE (VulDB): GCVE-100-81216
X-Force: 111337 - Mozilla Firefox Brotli library buffer overflow
SecurityTracker: 1035215
Vulnerability Center: 57154 - Mozilla Firefox <45 Remote DoS in Brotli Library - CVE-2016-1968, Medium

See also: 🔍

Entryinfo

Created: 03/09/2016 10:06
Updated: 07/09/2022 13:01
Changes: 03/09/2016 10:06 (75), 09/02/2018 10:34 (9), 07/09/2022 13:01 (4)
Complete: 🔍
Cache ID: 216::103

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