Linux Kernel up to 4.13.1 Bluetooth Stack L2CAP memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Linux Kernel up to 4.13.1. Affected is an unknown function of the component Bluetooth Stack. Such manipulation as part of L2CAP leads to memory corruption. This vulnerability is traded as CVE-2017-1000251. Access to the local network is required for this attack to succeed. Furthermore, there is an exploit available. It is best to disable the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 4.13.1 (Operating System). It has been rated as critical. Affected by this issue is an unknown part of the component Bluetooth Stack. The manipulation as part of a L2CAP leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The native Bluetooth stack in the Linux Kernel (BlueZ), starting at the Linux kernel version 3.3-rc1 and up to and including 4.13.1, are vulnerable to a stack overflow vulnerability in the processing of L2CAP configuration responses resulting in Remote code execution in kernel space.

The bug was discovered 09/12/2017. The weakness was shared 09/12/2017 (Website). The advisory is shared for download at access.redhat.com. This vulnerability is handled as CVE-2017-1000251 since 09/12/2017. The attack needs to be done within the local network. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Marcin Kozlowski and been published 2 weeks after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 103196 (CentOS 7 : kernel (CESA-2017:2679) (BlueBorne)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196910 (Ubuntu Security Notification for Linux Vulnerabilities (USN-3422-1)).

The best possible mitigation is suggested to be disabling the affected component. A possible mitigation has been published 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (42762), Tenable (103196) and SecurityFocus (BID 100809†). The entries VDB-90530, VDB-91457, VDB-92361 and VDB-94958 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Marcin Kozlowski
Download: 🔍

EPSS Score: 🔍
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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103196
Nessus Name: CentOS 7 : kernel (CESA-2017:2679) (BlueBorne)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53754
OpenVAS Name: Debian Security Advisory DSA 3981-1 (linux - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Disable
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Patch: github.com

Timelineinfo

09/12/2017 🔍
09/12/2017 +0 days 🔍
09/12/2017 +0 days 🔍
09/12/2017 +0 days 🔍
09/12/2017 +0 days 🔍
09/13/2017 +1 days 🔍
09/13/2017 +0 days 🔍
09/14/2017 +1 days 🔍
09/21/2017 +7 days 🔍
09/21/2017 +0 days 🔍
12/25/2024 +2652 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: RHSA-2017:2679
Researcher: Armis Labs
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-1000251 (🔍)
GCVE (CVE): GCVE-0-2017-1000251
GCVE (VulDB): GCVE-100-106424

OVAL: 🔍

CERT: 🔍
SecurityFocus: 100809 - Linux Kernel Bluetooth Subsystem CVE-2017-1000251 Stack Based Buffer Overflow Vulnerability
SecurityTracker: 1039373

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 09/13/2017 10:47
Updated: 12/25/2024 21:19
Changes: 09/13/2017 10:47 (86), 12/15/2019 11:40 (5), 01/11/2021 16:00 (2), 01/11/2021 16:02 (1), 12/28/2022 13:12 (4), 12/21/2024 22:43 (18), 12/25/2024 21:19 (2)
Complete: 🔍
Cache ID: 216::103

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