Linux Kernel up to 4.11.1 IPv6 DCCP System Calls data processing

CVSS Meta Temp Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 4.11.1. It has been classified as problematic. This affects an unknown function of the component IPv6 DCCP. Performing a manipulation as part of System Calls results in data processing. This vulnerability is known as CVE-2017-9076. Attacking locally is a requirement. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 4.11.1 (Operating System). This affects an unknown code block of the component IPv6 DCCP. The manipulation as part of a System Calls leads to a data processing vulnerability. CWE is classifying the issue as CWE-19. This is going to have an impact on availability. The summary by CVE is:

The IPv6 DCCP implementation in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890.

The bug was discovered 05/19/2017. The weakness was published 05/19/2017 as confirmed git commit (GIT Repository). The advisory is shared at git.kernel.org. This vulnerability is uniquely identified as CVE-2017-9076 since 05/19/2017. An attack has to be approached locally. The requirement for exploitation is a authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 100435 (Fedora 25 : kernel (2017-273b67d5ee)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371301 (F5 BIG-IP ASM,LTM,APM Linux Kernel Multiple Vulnerabilities (K61429540,K02236463,K02613439)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. A possible mitigation has been published 6 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100435) and SecurityFocus (BID 98586†). Similar entries are available at VDB-101073, VDB-101471, VDB-101503 and VDB-101504. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Data processing
CWE: CWE-19
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100435
Nessus Name: Fedora 25 : kernel (2017-273b67d5ee)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for kernel FEDORA-2017-85744f8aa9
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Patch: git.kernel.org

Timelineinfo

05/19/2017 🔍
05/19/2017 +0 days 🔍
05/19/2017 +0 days 🔍
05/19/2017 +0 days 🔍
05/19/2017 +0 days 🔍
05/19/2017 +0 days 🔍
05/25/2017 +6 days 🔍
05/26/2017 +1 days 🔍
12/06/2022 +2020 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: FEDORA-2017-273b67d5ee
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-9076 (🔍)
GCVE (CVE): GCVE-0-2017-9076
GCVE (VulDB): GCVE-100-101505

OVAL: 🔍

SecurityFocus: 98586 - Linux kernel CVE-2017-9076 Local Denial of Service Vulnerability
OSVDB: - CVE-2017-9076 - Linux - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 05/19/2017 15:41
Updated: 12/06/2022 17:22
Changes: 05/19/2017 15:41 (80), 09/30/2020 14:11 (6), 12/06/2022 17:15 (4), 12/06/2022 17:22 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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