Google Android em28xx-dvb.c em28xx_unregister_dvb use after free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Google Android and classified as critical. The affected element is the function em28xx_unregister_dvb of the file em28xx-dvb.c. The manipulation leads to use after free.
This vulnerability is traded as CVE-2019-2024. An attack has to be approached locally. There is no exploit available.
It is suggested to install a patch to address this issue.
Details
A vulnerability was found in Google Android (Smartphone Operating System) (the affected version unknown) and classified as critical. This issue affects the function em28xx_unregister_dvb of the file em28xx-dvb.c. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
In em28xx_unregister_dvb of em28xx-dvb.c, there is a possible use after free issue. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-111761954References: Upstream kernel
The weakness was shared 06/19/2019 as openSUSE-SU-2019:1085-1 (Website). The advisory is shared at usn.ubuntu.com. The identification of this vulnerability is CVE-2019-2024 since 12/10/2018. An attack has to be approached locally. A simple authentication is necessary for exploitation. 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 06/26/2020). It is expected to see the exploit prices for this product increasing in the near future.
The commercial vulnerability scanner Qualys is able to test this issue with plugin 172169 (SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2019:0765-1)).
Applying a patch is able to eliminate this problem.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 107296†). The entries VDB-130266, VDB-130406, VDB-130997 and VDB-131363 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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: 6.5VulDB Meta Temp Score: 6.4
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / 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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Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
12/10/2018 🔍03/06/2019 🔍
06/19/2019 🔍
06/20/2019 🔍
06/26/2020 🔍
Sources
Vendor: google.comAdvisory: openSUSE-SU-2019:1085-1
Status: Confirmed
CVE: CVE-2019-2024 (🔍)
GCVE (CVE): GCVE-0-2019-2024
GCVE (VulDB): GCVE-100-136769
SecurityFocus: 107296 - Linux kernel CVE-2019-9213 Local Denial of Service Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍
Entry
Created: 06/20/2019 13:39Updated: 06/26/2020 11:19
Changes: 06/20/2019 13:39 (62), 06/26/2020 11:19 (3)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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