Google Android up to 8.1 sdp_server.c process_service_attr_req out-of-bounds write
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.7 | $5k-$25k | 0.00 |
Summary
A vulnerability classified as critical has been found in Google Android up to 8.1. The affected element is the function process_service_attr_req of the file sdp_server.c. Performing a manipulation results in out-of-bounds write.
This vulnerability is reported as CVE-2017-13255. The attack is possible to be carried out remotely. No exploit exists.
It is suggested to install a patch to address this issue.
Details
A vulnerability was found in Google Android up to 8.1 (Smartphone Operating System). It has been classified as critical. This affects the function process_service_attr_req of the file sdp_server.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
In process_service_attr_req of sdp_server.c, there is an out of bounds write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: 5.1.1, 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, 8.0, 8.1. Android ID: A-68776054.
The bug was discovered 03/07/2018. The weakness was disclosed 04/04/2018 by Guang Gong with Ant-financial Light-Year Security Lab (Website). The advisory is shared at source.android.com. This vulnerability is uniquely identified as CVE-2017-13255 since 08/23/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 02/08/2021). 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 28 days. During that time the estimated underground price was around $25k-$100k.
Applying a patch is able to eliminate this problem.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 103253†). The entries VDB-114373, VDB-114375, VDB-114638 and VDB-114639 are pretty similar. 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: 8.0VulDB Meta Temp Score: 7.9
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
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: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
08/23/2017 🔍03/05/2018 🔍
03/07/2018 🔍
04/04/2018 🔍
04/04/2018 🔍
04/05/2018 🔍
02/08/2021 🔍
Sources
Vendor: google.comAdvisory: source.android.com
Researcher: Guang Gong
Organization: Ant-financial Light-Year Security Lab
Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-13255 (🔍)
GCVE (CVE): GCVE-0-2017-13255
GCVE (VulDB): GCVE-100-115737
SecurityFocus: 103253 - Google Android System Component Multiple Security Vulnerabilities
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍
Entry
Created: 04/05/2018 09:02Updated: 02/08/2021 14:38
Changes: 04/05/2018 09:02 (64), 01/21/2020 17:05 (5), 02/08/2021 14:38 (2)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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