Mozilla Firefox up to 38.x Browser Engine memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Mozilla Firefox up to 38.x. The impacted element is an unknown function of the component Browser Engine. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2015-2726. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 38.x (Web Browser). It has been classified as critical. This affects some unknown functionality of the component Browser Engine. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 39.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

The weakness was released 07/06/2015 by Karthikeyan Bhargavan (Paul) with Mozilla Developers (Website). The advisory is shared at bugzilla.mozilla.org. This vulnerability is uniquely identified as CVE-2015-2726 since 03/25/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 84664 (Ubuntu 14.04 LTS / 14.10 / 15.04 : firefox vulnerabilities (USN-2656-1) (Logjam)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 167966 (OpenSuSE Security Update for MozillaFirefox, mozilla-nss (openSUSE-SU-2015:1229-1)).

Upgrading to version 39.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (84664), SecurityFocus (BID 75541†) and Vulnerability Center (SBV-51006†). Entries connected to this vulnerability are available at VDB-76277, VDB-76278, VDB-76279 and VDB-76280. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 84664
Nessus Name: Ubuntu 14.04 LTS / 14.10 / 15.04 : firefox vulnerabilities (USN-2656-1) (Logjam)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 803420
OpenVAS Name: Mozilla Firefox Multiple Vulnerabilities-01 Jul15 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: Firefox 39.0

Timelineinfo

03/25/2015 🔍
07/02/2015 +99 days 🔍
07/02/2015 +0 days 🔍
07/05/2015 +3 days 🔍
07/05/2015 +0 days 🔍
07/06/2015 +1 days 🔍
07/06/2015 +0 days 🔍
05/23/2022 +2513 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: USN-2656-1
Researcher: Karthikeyan Bhargavan (Paul)
Organization: Mozilla Developers
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-2726 (🔍)
GCVE (CVE): GCVE-0-2015-2726
GCVE (VulDB): GCVE-100-76281
SecurityFocus: 75541 - Mozilla Firefox/Thunderbird Multiple Security Vulnerabilities
SecurityTracker: 1032783
Vulnerability Center: 51006 - Mozilla Firefox Remote Unspecified Vulnerability - CVE-2015-2726, Medium

See also: 🔍

Entryinfo

Created: 07/06/2015 10:17
Updated: 05/23/2022 09:50
Changes: 07/06/2015 10:17 (57), 07/03/2017 09:03 (17), 05/23/2022 09:46 (4), 05/23/2022 09:50 (1)
Complete: 🔍
Cache ID: 216::103

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

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