Linux Kernel up to 4.13.11 drivers/media/rc/imon.c imon_probe null pointer dereference

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.8$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Linux Kernel up to 4.13.11. This impacts the function imon_probe of the file drivers/media/rc/imon.c. The manipulation results in null pointer dereference. This vulnerability is known as CVE-2017-16537. Attacking locally is a requirement. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Linux Kernel up to 4.13.11 (Operating System). It has been classified as critical. Affected is the function imon_probe of the file drivers/media/rc/imon.c. 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. CVE summarizes:

The imon_probe function in drivers/media/rc/imon.c in the Linux kernel through 4.13.11 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via crafted system calls.

The bug was discovered 09/07/2017. The weakness was published 11/04/2017 (Website). The advisory is shared for download at groups.google.com. This vulnerability is traded as CVE-2017-16537 since 11/03/2017. The attack needs to be approached locally. A authentication is necessary for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 57 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 104910 (EulerOS 2.0 SP1 : kernel (EulerOS-SA-2017-1291)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Huawei Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276995 (Fedora Security Update for kernel (FEDORA-2017-31d7720d7e)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (104910). Similar entries are available at VDB-109128, VDB-109129, VDB-109130 and VDB-109131. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB 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: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 104910
Nessus Name: EulerOS 2.0 SP1 : kernel (EulerOS-SA-2017-1291)
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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

09/07/2017 🔍
11/03/2017 +57 days 🔍
11/03/2017 +0 days 🔍
11/04/2017 +1 days 🔍
11/04/2017 +0 days 🔍
11/08/2017 +4 days 🔍
12/01/2017 +23 days 🔍
01/06/2023 +1862 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-3617-1
Status: Not defined

CVE: CVE-2017-16537 (🔍)
GCVE (CVE): GCVE-0-2017-16537
GCVE (VulDB): GCVE-100-109140
See also: 🔍

Entryinfo

Created: 11/04/2017 16:26
Updated: 01/06/2023 13:42
Changes: 11/04/2017 16:26 (76), 12/04/2019 15:33 (3), 01/06/2023 13:42 (4)
Complete: 🔍
Cache ID: 216:12E:103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!