Mozilla Firefox/Firefox ESR/Thunderbird on Win10 Clipboard insertion of sensitive information into sent data
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
3.0 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, has been found in Mozilla Firefox, Firefox ESR and Thunderbird on Win10 (Web Browser) (version now known). This issue affects some unknown processing of the component Clipboard Handler. The manipulation with an unknown input leads to a insertion of sensitive information into sent data vulnerability. Using CWE to declare the problem leads to CWE-201. The code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor. Impacted is confidentiality.
The weakness was presented 12/09/2021. It is possible to read the advisory at mozilla.org. The identification of this vulnerability is CVE-2021-38505 since 08/10/2021. 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 pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/09/2021). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.
Upgrading eliminates this vulnerability.
Product
Type
Vendor
Name
License
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.1VulDB Meta Temp Score: 3.0
VulDB Base Score: 3.1
VulDB Temp Score: 3.0
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: 🔍
Exploiting
Class: Insertion of sensitive information into sent dataCWE: CWE-201 / CWE-200 / CWE-284
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
08/10/2021 🔍12/09/2021 🔍
12/09/2021 🔍
12/11/2021 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: mozilla.org
Status: Confirmed
CVE: CVE-2021-38505 (🔍)
Entry
Created: 12/09/2021 07:54Updated: 12/11/2021 18:12
Changes: 12/09/2021 07:54 (38), 12/11/2021 18:05 (1), 12/11/2021 18:12 (1)
Complete: 🔍
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