Mozilla Firefox/Thunderbird Text Layout use after free

CVSS Meta Temp Score
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CTI Interest Score
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8.7$0-$5k0.00

A vulnerability classified as critical was found in Mozilla Firefox and Thunderbird (Web Browser). Affected by this vulnerability is some unknown functionality of the component Text Layout 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.

The weakness was disclosed 09/02/2014 by regenrecht as MFSA2014-72 as confirmed advisory (Website). It is possible to read the advisory at mozilla.org. This vulnerability is known as CVE-2014-1567 since 01/16/2014. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 77505 (CentOS 5 / 6 / 7 : firefox / xulrunner (CESA-2014:1144)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 122593 (Red Hat Update for Xulrunner Firefox (RHSA-2014:1144)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 16507.

The vulnerability is also documented in the databases at X-Force (95661), Tenable (77505), SecurityFocus (BID 69520†), Secunia (SA60148†) and SecurityTracker (ID 1030793†). The entries VDB-67440, VDB-67441, VDB-67442 and VDB-67443 are pretty similar.

Affected

  • Mozilla Firefox 31.0
  • Mozilla Firefox ESR 24.7
  • Mozilla Thunderbird 24.7/31.0

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 8.7

VulDB Base Score: 10.0
VulDB Temp Score: 8.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 77505
Nessus Name: CentOS 5 / 6 / 7 : firefox / xulrunner (CESA-2014:1144)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703018
OpenVAS Name: Debian Security Advisory DSA 3018-1 (iceweasel - security update)
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: 🔍
TippingPoint: 🔍

Timelineinfo

01/16/2014 🔍
09/02/2014 +229 days 🔍
09/02/2014 +0 days 🔍
09/02/2014 +0 days 🔍
09/03/2014 +1 days 🔍
09/03/2014 +0 days 🔍
09/03/2014 +0 days 🔍
09/03/2014 +0 days 🔍
09/03/2014 +0 days 🔍
09/04/2014 +1 days 🔍
02/15/2022 +2721 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA2014-72
Researcher: regenrecht
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-1567 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 95661 - Mozilla Firefox andThunderbird text layout code execution, High Risk
SecurityFocus: 69520 - Mozilla Firefox/Thunderbird CVE-2014-1567 Use After Free Memory Corruption Vulnerability
Secunia: 60148 - Mozilla Firefox ESR / Thunderbird Multiple Vulnerabilities, Highly Critical
SecurityTracker: 1030793 - Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code and Obtain Potentially Sensitive Information
Vulnerability Center: 45994 - Mozilla Firefox and Thunderbird Remote Code Execution via Improperly Handled Text Layout, Critical

See also: 🔍

Entryinfo

Created: 09/03/2014 10:35 AM
Updated: 02/15/2022 09:01 AM
Changes: 09/03/2014 10:35 AM (86), 06/05/2017 10:50 AM (5), 02/15/2022 08:57 AM (2), 02/15/2022 09:01 AM (1)
Complete: 🔍
Cache ID: 18:BA1:40

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