Google Android 20200335 sss_ice_util.c copy_from_mbox out-of-bounds write
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.0 | $0-$5k | 0.77 |
Summary
A vulnerability marked as critical has been reported in Google Android 20200335. The affected element is the function copy_from_mbox of the file sss_ice_util.c. This manipulation causes out-of-bounds write.
This vulnerability is tracked as CVE-2021-39683. The attack is restricted to local execution. No exploit exists.
It is suggested to install a patch to address this issue.
Details
A vulnerability was found in Google Android 20200335 (Smartphone Operating System). It has been declared as critical. Affected by this vulnerability is the function copy_from_mbox of the file sss_ice_util.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was disclosed 01/15/2022 as A-202003354. The advisory is shared at source.android.com. This vulnerability is known as CVE-2021-39683 since 08/23/2021. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/15/2022). It is expected to see the exploit prices for this product increasing in the near future.
Applying a patch is able to eliminate this problem.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.google.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.2VulDB Meta Temp Score: 4.0
VulDB Base Score: 4.2
VulDB Temp Score: 4.0
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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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / 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 🔍01/15/2022 🔍
01/15/2022 🔍
01/19/2022 🔍
Sources
Vendor: google.comAdvisory: A-202003354
Status: Confirmed
CVE: CVE-2021-39683 (🔍)
GCVE (CVE): GCVE-0-2021-39683
GCVE (VulDB): GCVE-100-190537
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 01/15/2022 07:47Updated: 01/19/2022 11:35
Changes: 01/15/2022 07:47 (42), 01/19/2022 11:35 (1)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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