Linux Kernel up to 4.13.11 USB Device dib0700_devices.c null pointer dereference

CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.8 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in Linux Kernel up to 4.13.11 (Operating System). This affects an unknown code block of the file drivers/media/usb/dvb-usb/dib0700_devices.c of the component USB Device Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
drivers/media/usb/dvb-usb/dib0700_devices.c in the Linux kernel through 4.13.11 allows local users to cause a denial of service (BUG and system crash) or possibly have unspecified other impact via a crafted USB device.
The bug was discovered 11/02/2017. The weakness was released 11/07/2017 by Andrey Konovalov (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2017-16646 since 11/07/2017. Attacking locally is a requirement. The requirement for exploitation is a authentication. 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 5 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 105364 (openSUSE Security Update : the Linux Kernel (openSUSE-2017-1391) (Dirty COW)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276998 (Fedora Security Update for kernel (FEDORA-2017-905bb449bc)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (105364) and SecurityFocus (BID 101846†). Entries connected to this vulnerability are available at VDB-109131, VDB-109189, VDB-109190 and VDB-109192.
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: 5.9VulDB Meta Temp Score: 5.8
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.6
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: Null pointer dereferenceCWE: CWE-476 / CWE-404
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 |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 105364
Nessus Name: openSUSE Security Update : the Linux Kernel (openSUSE-2017-1391) (Dirty COW)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 862920
OpenVAS Name: SuSE Update for Linux Kernel openSUSE-SU-2017:3359-1 (Linux Kernel)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
11/02/2017 🔍11/07/2017 🔍
11/07/2017 🔍
11/07/2017 🔍
11/08/2017 🔍
11/15/2017 🔍
12/18/2017 🔍
12/19/2017 🔍
01/06/2023 🔍
Sources
Vendor: kernel.orgAdvisory: USN-3617-1⛔
Researcher: Andrey Konovalov
Status: Not defined
CVE: CVE-2017-16646 (🔍)
SecurityFocus: 101846 - Linux Kernel 'drivers/media/usb/dvb-usb/dib0700_devices.c' Local Denial of Service Vulnerability
See also: 🔍
Entry
Created: 11/08/2017 07:43 AMUpdated: 01/06/2023 03:32 PM
Changes: 11/08/2017 07:43 AM (77), 12/05/2019 06:05 AM (7), 01/06/2023 03:32 PM (4)
Complete: 🔍
Cache ID: 18:AE7:40
No comments yet. Languages: en.
Please log in to comment.