Mozilla Firefox up to 101 HTML Sanitizer cross-domain policy
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.0 | $5k-$25k | 0.00 |
A vulnerability was found in Mozilla Firefox up to 101 (Web Browser) and classified as critical. Affected by this issue is an unknown code block of the component HTML Sanitizer. The manipulation with an unknown input leads to a cross-domain policy vulnerability. Using CWE to declare the problem leads to CWE-942. The product uses a cross-domain policy file that includes domains that should not be trusted. Impacted is confidentiality, integrity, and availability.
The weakness was shared 06/28/2022 by Gareth Heyes as Bug 1757210 as confirmed advisory (Website). The advisory is shared for download at bugzilla.mozilla.org. The advisory contains:
SVG <use> tags that referenced a same-origin document could have resulted in script execution if attacker input was sanitized via the HTML Sanitizer API. This would have required the attacker to reference a same-origin JavaScript file containing the script to be executed.This vulnerability is handled as CVE-2022-34475. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/30/2022).
Upgrading to version 102 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
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: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
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: 🔍
Exploiting
Class: Cross-domain policyCWE: CWE-942 / CWE-346 / CWE-345
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Firefox 102
Timeline
06/24/2022 🔍06/28/2022 🔍
06/28/2022 🔍
09/30/2022 🔍
10/26/2022 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: Bug 1757210
Researcher: Gareth Heyes
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2022-34475 (🔍)
Entry
Created: 09/30/2022 10:37Updated: 10/26/2022 16:57
Changes: 09/30/2022 10:37 (18), 09/30/2022 10:40 (28), 10/26/2022 16:57 (1)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.