Mozilla Firefox up to 48 Accessibility GetChildOffset access control

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 48. It has been classified as critical. Affected by this issue is the function mozilla::a11y::HyperTextAccessible::GetChildOffset of the component Accessibility. This manipulation causes access control. This vulnerability appears as CVE-2016-5273. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Mozilla Firefox up to 48 (Web Browser). Affected by this vulnerability is the function mozilla::a11y::HyperTextAccessible::GetChildOffset of the component Accessibility. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The mozilla::a11y::HyperTextAccessible::GetChildOffset function in the accessibility implementation in Mozilla Firefox before 49.0 allows remote attackers to execute arbitrary code via a crafted web site.

The weakness was presented 09/22/2016 as MFSA2016-85 as not defined advisory (Website). The advisory is shared at mozilla.org. This vulnerability is known as CVE-2016-5273. 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. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 93732 (openSUSE Security Update : MozillaFirefox / mozilla-nss (openSUSE-2016-1128)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196583 (Ubuntu Security Notification for Firefox Vulnerabilities (USN-3076-1)).

Upgrading to version 49.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (93732) and SecurityFocus (BID 93052†). See VDB-91866, VDB-91868, VDB-91869 and VDB-91870 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Access control
CWE: CWE-284 / CWE-266
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: 93732
Nessus Name: openSUSE Security Update : MozillaFirefox / mozilla-nss (openSUSE-2016-1128)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 831034
OpenVAS Name: Mozilla Firefox Security Updates( mfsa_2016-85_2016-86 )-MAC OS X
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firefox 49.0

Timelineinfo

06/03/2016 🔍
09/22/2016 +111 days 🔍
09/22/2016 +0 days 🔍
09/23/2016 +1 days 🔍
09/20/2022 +2188 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA2016-85
Status: Not defined

CVE: CVE-2016-5273 (🔍)
GCVE (CVE): GCVE-0-2016-5273
GCVE (VulDB): GCVE-100-91873
SecurityFocus: 93052
SecurityTracker: 1036852

See also: 🔍

Entryinfo

Created: 09/23/2016 09:23
Updated: 09/20/2022 08:06
Changes: 09/23/2016 09:23 (43), 01/31/2018 09:56 (20), 09/20/2022 07:55 (3), 09/20/2022 08:01 (11), 09/20/2022 08:06 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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