Google Android drivers/hid/hid-debug.c chap_server_compute_md5 out-of-bounds write
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.3 | $0-$5k | 0.00 |
A vulnerability was found in Google Android (Smartphone Operating System) (affected version unknown). It has been classified as critical. This affects the function chap_server_compute_md5
of the file drivers/hid/hid-debug.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 hid_debug_events_read of drivers/hid/hid-debug.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-71361580.
The bug was discovered 09/04/2018. The weakness was shared 11/06/2018 as A-71361580c (Website). It is possible to read the advisory at lists.debian.org. This vulnerability is uniquely identified as CVE-2018-9516 since 04/05/2018. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.
The vulnerability was handled as a non-public zero-day exploit for at least 27 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 117862 (Debian DSA-4308-1 : linux - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171709 (SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2018:3746-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (117862). The entries 99009, 109136, 110475 and 112611 are related to this item.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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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
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VulDB Base Score: 🔍
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Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Nessus ID: 117862
Nessus Name: Debian DSA-4308-1 : linux - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
04/05/2018 🔍09/04/2018 🔍
10/01/2018 🔍
10/02/2018 🔍
11/06/2018 🔍
11/06/2018 🔍
11/07/2018 🔍
12/03/2018 🔍
04/10/2020 🔍
Sources
Vendor: google.comAdvisory: A-71361580c
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2018-9516 (🔍)
OVAL: 🔍
SecurityFocus: 106109 - Linux Kernel CVE-2018-19824 Use After Free Arbitrary Code Execution Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍
Entry
Created: 11/07/2018 15:25Updated: 04/10/2020 16:14
Changes: 11/07/2018 15:25 (79), 04/10/2020 16:14 (3)
Complete: 🔍
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