Mozilla Firefox up to 48 Aria-Owns Attribute ProcessInvalidationList use after free

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

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 48 and classified as critical. This issue affects the function mozilla::a11y::DocAccessible::ProcessInvalidationList of the component Aria-Owns Attribute Handler. The manipulation leads to use after free. The identification of this vulnerability is CVE-2016-5276. The attack may be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability has been found in Mozilla Firefox up to 48 (Web Browser) and classified as critical. This vulnerability affects the function mozilla::a11y::DocAccessible::ProcessInvalidationList of the component Aria-Owns Attribute Handler. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Use-after-free vulnerability in the mozilla::a11y::DocAccessible::ProcessInvalidationList function in Mozilla Firefox before 49.0 and Firefox ESR 45.x before 45.4 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via an aria-owns attribute.

The weakness was released 09/22/2016 as MFSA2016-85 as not defined advisory (Website). The advisory is shared for download at mozilla.org. This vulnerability was named CVE-2016-5276. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 94043 (SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2016:2513-1)), 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 236094 (Red Hat Update for firefox (RHSA-2016:1912)).

Upgrading to version 49.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (94043) and SecurityFocus (BID 93049†). Entries connected to this vulnerability are available at VDB-90438, VDB-90447, VDB-91866 and VDB-91868. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

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

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: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 94043
Nessus Name: SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2016:2513-1)
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-2016-5276 (🔍)
GCVE (CVE): GCVE-0-2016-5276
GCVE (VulDB): GCVE-100-91876

OVAL: 🔍

SecurityFocus: 93049
SecurityTracker: 1036852

See also: 🔍

Entryinfo

Created: 09/23/2016 09:24 AM
Updated: 09/20/2022 08:29 AM
Changes: 09/23/2016 09:24 AM (43), 01/31/2018 09:56 AM (21), 09/20/2022 08:22 AM (3), 09/20/2022 08:25 AM (11), 09/20/2022 08:29 AM (1)
Complete: 🔍
Cache ID: 18:660:40

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