Mozilla Firefox 37.x Text Processing SetBreaks use after free

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Mozilla Firefox 37.x. This impacts the function SetBreaks of the component Text Processing. The manipulation results in use after free. This vulnerability was named CVE-2015-2713. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Mozilla Firefox 37.x (Web Browser). Affected is the function SetBreaks of the component Text Processing. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on availability.

The weakness was presented 05/12/2015 by Scott Bell (laf.intel) with Security-Assessment.com as MFSA 2015-51 as confirmed security advisory (Website). The advisory is shared for download at mozilla.org. This vulnerability is traded as CVE-2015-2713 since 03/25/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 83378 (CentOS 5 / 6 / 7 : firefox (CESA-2015:0988)), 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 167834 (OpenSuSE Security Update for MozillaThunderbird (openSUSE-SU-2015:0935-1)).

Upgrading to version 38 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 Tenable (83378), SecurityFocus (BID 74611†), SecurityTracker (ID 1032301†) and Vulnerability Center (SBV-50074†). Further details are available at bugzilla.mozilla.org. See VDB-5338, VDB-75342, VDB-75343 and VDB-75344 for similar entries. Once again VulDB remains the best source for vulnerability data.

Affected

  • Mozilla Firefox 37.x
  • Mozilla Firefox ESR 31.6
  • Mozilla Thunderbird 31.6

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 83378
Nessus Name: CentOS 5 / 6 / 7 : firefox (CESA-2015:0988)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703260
OpenVAS Name: Debian Security Advisory DSA 3260-1 (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: 🔍

Upgrade: Firefox 38

Timelineinfo

03/25/2015 🔍
05/12/2015 +48 days 🔍
05/12/2015 +0 days 🔍
05/12/2015 +0 days 🔍
05/12/2015 +0 days 🔍
05/13/2015 +1 days 🔍
05/13/2015 +0 days 🔍
05/13/2015 +0 days 🔍
05/14/2015 +1 days 🔍
10/22/2024 +3449 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2015-51
Researcher: Scott Bell (laf.intel)
Organization: Security-Assessment.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2713 (🔍)
GCVE (CVE): GCVE-0-2015-2713
GCVE (VulDB): GCVE-100-75348

OVAL: 🔍

SecurityFocus: 74611 - Mozilla Firefox and Thunderbird MFSA 2015-48 through -58 Multiple Vulnerabilities
SecurityTracker: 1032301 - Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code and Obtain Potentially Sensitive Information and Let Local Users Gain Elevated Privileges
Vulnerability Center: 50074 - Mozilla Firefox Remote DoS or Code Execution due to Use-after-free during Text Processing, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 05/13/2015 12:38
Updated: 10/22/2024 18:29
Changes: 05/13/2015 12:38 (80), 06/28/2017 06:29 (7), 05/17/2022 10:33 (3), 05/17/2022 10:38 (1), 10/22/2024 18:29 (15)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!