Google Android 8.0/8.1/9.0 System_server SkSwizzler.cpp sample6 out-of-bounds write
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.6 | $5k-$25k | 0.00 |
A vulnerability classified as critical was found in Google Android 8.0/8.1/9.0 (Smartphone Operating System). This vulnerability affects the function sample6
of the file SkSwizzler.cpp of the component System_server. 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. CVE summarizes:
In sample6 of SkSwizzler.cpp, there is a possible out of bounds write due to improper input validation. This could lead to remote code execution in system_server with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: Android-8.0 Android-8.1 Android-9. Android ID: A-118372692.
The bug was discovered 02/04/2019. The weakness was released 02/28/2019 (Website). The advisory is available at source.android.com. This vulnerability was named CVE-2019-1988 since 12/10/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 07/26/2023). It is expected to see the exploit prices for this product increasing in the near future.
The vulnerability was handled as a non-public zero-day exploit for at least 24 days. During that time the estimated underground price was around $25k-$100k.
Applying a patch is able to eliminate this problem.
Entries connected to this vulnerability are available at 131264, 131265, 131267 and 131268.
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: 8.8VulDB Meta Temp Score: 8.6
VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
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: Out-of-bounds writeCWE: CWE-787 / CWE-119
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
12/10/2018 🔍02/04/2019 🔍
02/28/2019 🔍
03/01/2019 🔍
07/26/2023 🔍
Sources
Vendor: google.comAdvisory: source.android.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2019-1988 (🔍)
SecurityFocus: 106842
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍
Entry
Created: 03/01/2019 06:33Updated: 07/26/2023 08:50
Changes: 03/01/2019 06:33 (61), 05/13/2020 11:11 (2), 07/26/2023 08:50 (4)
Complete: 🔍
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