Google Android test_run.c bpf_prog_test_run_skb Size out-of-bounds
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 2.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Google Android. It has been declared as problematic. The affected element is the function bpf_prog_test_run_skb of the file test_run.c. Such manipulation of the argument Size leads to out-of-bounds.
This vulnerability is listed as CVE-2021-39711. The attack must be carried out locally. There is no available exploit.
It is best practice to apply a patch to resolve this issue.
Details
A vulnerability was found in Google Android (Smartphone Operating System) (version now known) and classified as problematic. Affected by this issue is the function bpf_prog_test_run_skb of the file test_run.c. The manipulation of the argument Size with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality.
The weakness was presented 03/16/2022 as A-154175781. The advisory is available at source.android.com. This vulnerability is handled as CVE-2021-39711 since 08/23/2021. Technical details are known, but there is no available exploit.
Applying a patch is able to eliminate this problem.
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Product
Type
Vendor
Name
License
Website
- Vendor: https://www.google.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 2.3VulDB Meta Temp Score: 2.2
VulDB Base Score: 2.3
VulDB Temp Score: 2.2
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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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
08/23/2021 🔍03/16/2022 🔍
03/16/2022 🔍
03/19/2022 🔍
Sources
Vendor: google.comAdvisory: A-154175781
Status: Confirmed
CVE: CVE-2021-39711 (🔍)
GCVE (CVE): GCVE-0-2021-39711
GCVE (VulDB): GCVE-100-195278
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 03/16/2022 22:37Updated: 03/19/2022 12:39
Changes: 03/16/2022 22:37 (42), 03/19/2022 12:39 (1)
Complete: 🔍
Cache ID: 216::103
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