VDB-109134 · CVE-2017-16531 · USN-3485-1

Linux Kernel up to 4.13.5 config.c memory corruption

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-$5k	0.00

A vulnerability classified as critical has been found in Linux Kernel up to 4.13.5 (Operating System). Affected is an unknown code of the file drivers/usb/core/config.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 09/19/2017. The weakness was shared 11/04/2017 (Website). The advisory is available at github.com. This vulnerability is traded as CVE-2017-16531 since 11/03/2017. Local access is required to approach this attack. A authentication is needed for exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 45 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 104716 (Ubuntu 16.04 LTS : linux, linux-aws, linux-gke, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities (USN-3485-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu 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 to version 4.13.6 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (104716). The entries 108731, 109128, 109129 and 109130 are related to this item.

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

CPE 2.3info

CPE 2.2info

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

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: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

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: 104716
Nessus Name: Ubuntu 16.04 LTS : linux, linux-aws, linux-gke, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities (USN-3485-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 66142
OpenVAS Name: Ubuntu Update for linux USN-3485-1
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: 🔍

Upgrade: Kernel 4.13.6
Patch: github.com

Timelineinfo

09/19/2017 🔍
09/19/2017 +0 days 🔍
11/03/2017 +45 days 🔍
11/03/2017 +0 days 🔍
11/04/2017 +1 days 🔍
11/04/2017 +0 days 🔍
11/20/2017 +16 days 🔍
11/21/2017 +1 days 🔍
01/06/2023 +1872 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-3485-1
Researcher: Adam Mariš
Status: Not defined

CVE: CVE-2017-16531 (🔍)
SecurityFocus: 102025 - Linux Kernel CVE-2017-16531 Local Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 11/04/2017 04:26 PM
Updated: 01/06/2023 12:15 PM
Changes: 11/04/2017 04:26 PM (79), 12/04/2019 03:13 PM (4), 01/23/2021 08:09 AM (2), 01/06/2023 12:00 PM (4), 01/06/2023 12:07 PM (1), 01/06/2023 12:15 PM (1)
Complete: 🔍