Mozilla Firefox up to 54 Response Header origin validation

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Mozilla Firefox up to 54. Impacted is an unknown function of the component Response Header Handler. The manipulation leads to origin validation. This vulnerability is referenced as CVE-2017-7797. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Mozilla Firefox up to 54 (Web Browser). This issue affects some unknown functionality of the component Response Header Handler. The manipulation with an unknown input leads to a origin validation vulnerability. Using CWE to declare the problem leads to CWE-346. The product does not properly verify that the source of data or communication is valid. Impacted is confidentiality. The summary by CVE is:

Response header name interning does not have same-origin protections and these headers are stored in a global registry. This allows stored header names to be available cross-origin. This vulnerability affects Firefox < 55.

The bug was discovered 08/08/2017. The weakness was published 08/08/2017 as MFSA 2017-18 as confirmed security advisory (Website). It is possible to read the advisory at mozilla.org. The identification of this vulnerability is CVE-2017-7797 since 04/12/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 102357 (Mozilla Firefox < 55 Multiple Vulnerabilities (macOS)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370507 (Mozilla Firefox Multiple Vulnerabilities. (mfsa2017-18,mfsa2017-19)).

Upgrading to version 55 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 (102357) and SecurityTracker (ID 1039124†). Similar entries are available at VDB-105249, VDB-105250, VDB-105251 and VDB-105252. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Origin validation
CWE: CWE-346 / CWE-345
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: 102357
Nessus Name: Mozilla Firefox < 55 Multiple Vulnerabilities (macOS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802170
OpenVAS Name: Mozilla Firefox Security Updates( mfsa_2017-18_2017-19 )-Windows
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 55

Timelineinfo

04/12/2017 🔍
08/08/2017 +118 days 🔍
08/08/2017 +0 days 🔍
08/08/2017 +0 days 🔍
08/10/2017 +2 days 🔍
08/10/2017 +0 days 🔍
08/12/2017 +2 days 🔍
06/11/2018 +302 days 🔍
12/15/2022 +1648 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2017-18
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7797 (🔍)
GCVE (CVE): GCVE-0-2017-7797
GCVE (VulDB): GCVE-100-105275

OVAL: 🔍

SecurityFocus: 100196
SecurityTracker: 1039124

See also: 🔍

Entryinfo

Created: 08/13/2017 00:07
Updated: 12/15/2022 16:53
Changes: 08/13/2017 00:07 (80), 11/06/2019 16:56 (3), 12/15/2022 16:53 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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