Mozilla Firefox up to 38.x x.509 Key Pinning cryptographic issue

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Mozilla Firefox up to 38.x. Affected is an unknown function of the component x.509 Key Pinning Handler. The manipulation leads to cryptographic issue. This vulnerability is referenced as CVE-2015-2741. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 38.x (Web Browser). This issue affects some unknown functionality of the component x.509 Key Pinning Handler. The manipulation with an unknown input leads to a cryptographic issue vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is confidentiality, and integrity. The summary by CVE is:

Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 do not enforce key pinning upon encountering an X.509 certificate problem that generates a user dialog, which allows user-assisted man-in-the-middle attackers to bypass intended access restrictions by triggering a (1) expired certificate or (2) mismatched hostname for a domain with pinning enabled.

The weakness was published 07/06/2015 by Karthikeyan Bhargavan (Paul) with Mozilla Developers (Website). It is possible to read the advisory at bugzilla.mozilla.org. The identification of this vulnerability is CVE-2015-2741 since 03/25/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 84550 (CentOS 5 / 6 / 7 : firefox (CESA-2015:1207)), 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 123836 (CentOS Security Update for thunderbird (CESA-2015:1455)).

Upgrading to version 39.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (104395), Tenable (84550), SecurityFocus (BID 75541†) and Vulnerability Center (SBV-50985†). Similar entries are available at VDB-76277, VDB-76278, VDB-76279 and VDB-76280. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.5
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 84550
Nessus Name: CentOS 5 / 6 / 7 : firefox (CESA-2015:1207)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 80056
OpenVAS Name: Oracle Linux Local Check: ELSA-2015-1455
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 🔍
10/22/2024 +3396 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: RHSA-2015:1207
Researcher: Karthikeyan Bhargavan (Paul)
Organization: Mozilla Developers
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2741 (🔍)
GCVE (CVE): GCVE-0-2015-2741
GCVE (VulDB): GCVE-100-76295
X-Force: 104395 - Mozilla Firefox and Thunderbird X.509 security bypass
SecurityFocus: 75541 - Mozilla Firefox/Thunderbird Multiple Security Vulnerabilities
SecurityTracker: 1032783
Vulnerability Center: 50985 - Mozilla Firefox, Firefox ESR and Thunderbird Remote Security Bypass due to Ignoring Key Pinning, Medium

See also: 🔍

Entryinfo

Created: 07/06/2015 10:19
Updated: 10/22/2024 21:27
Changes: 07/06/2015 10:19 (61), 07/03/2017 08:59 (17), 05/23/2022 13:56 (4), 05/23/2022 14:03 (1), 05/23/2022 14:08 (2), 10/22/2024 21:27 (15)
Complete: 🔍
Cache ID: 216::103

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