Google Android 8.1/9.0/10.0/11.0 OkHostnameVerifier.java verifyHostName certificate validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.0 | $5k-$25k | 0.00 |
A vulnerability has been found in Google Android 8.1/9.0/10.0/11.0 (Smartphone Operating System) and classified as critical. Affected by this vulnerability is the function verifyHostName
of the file OkHostnameVerifier.java. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-297. The product communicates with a host that provides a certificate, but the product does not properly ensure that the certificate is actually associated with that host. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was shared 02/11/2021 as A-171980069. It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2021-0341. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 02/27/2021). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.
Applying a patch is able to eliminate this problem.
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: 6.2VulDB Meta Temp Score: 6.1
VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
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: Certificate validationCWE: CWE-297 / CWE-295 / CWE-287
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 |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
11/06/2020 🔍02/11/2021 🔍
02/11/2021 🔍
02/27/2021 🔍
Sources
Vendor: google.comAdvisory: A-171980069
Status: Confirmed
CVE: CVE-2021-0341 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 02/11/2021 08:10Updated: 02/27/2021 19:04
Changes: 02/11/2021 08:10 (41), 02/27/2021 18:58 (5), 02/27/2021 19:04 (18)
Complete: 🔍
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