Mozilla Firefox 39 Content Security Policy cross site scripting
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.7 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in Mozilla Firefox 39 (Web Browser). Affected is some unknown processing of the component Content Security Policy. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on confidentiality, and integrity.
The weakness was released 08/11/2015 as MFSA 2015-91 as confirmed security advisory (Website). The advisory is shared for download at mozilla.org. This vulnerability is traded as CVE-2015-4490 since 06/10/2015. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.
The vulnerability scanner Nessus provides a plugin with the ID 85338 (FreeBSD : mozilla -- multiple vulnerabilities (c66a5632-708a-4727-8236-d65b2d5b2739)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168015 (OpenSuSE Security Update for MozillaFirefox (openSUSE-SU-2015:1389-1)).
Upgrading to version 40 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 X-Force (105522) and Tenable (85338). Entries connected to this vulnerability are available at 77000, 77073, 77093 and 77098.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 4.7
VulDB Base Score: 5.4
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 85338
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (c66a5632-708a-4727-8236-d65b2d5b2739)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 803463
OpenVAS Name: Mozilla Firefox Multiple Vulnerabilities - Aug15 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Firefox 40
Timeline
06/10/2015 🔍08/11/2015 🔍
08/11/2015 🔍
08/11/2015 🔍
08/12/2015 🔍
08/13/2015 🔍
08/15/2015 🔍
06/09/2022 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: MFSA 2015-91
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2015-4490 (🔍)
X-Force: 105522 - Mozilla Firefox Content Security Policy cross-site scripting
SecurityTracker: 1033247
Vulnerability Center: 51930 - Mozilla Firefox <40 Remote XSS Vulnerability in Content Security Policy Violating CSP Specification, Medium
SecurityFocus: 76303
See also: 🔍
Entry
Created: 08/13/2015 11:13Updated: 06/09/2022 12:22
Changes: 08/13/2015 11:13 (68), 10/05/2017 18:29 (6), 06/09/2022 12:14 (4), 06/09/2022 12:22 (1)
Complete: 🔍
Cache ID: 3:A1E:103
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