Linux Kernel up to 4.11.1 net/sctp/ipv6.c sctp_v6_create_accept_sk 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 and classified as problematic. The impacted element is the function sctp_v6_create_accept_sk of the file net/sctp/ipv6.c. Such manipulation as part of System Calls leads to data processing. This vulnerability is traded as CVE-2017-9075. An attack has to be approached locally. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 4.11.1 (Operating System). Affected by this issue is the function sctp_v6_create_accept_sk of the file net/sctp/ipv6.c. The manipulation as part of a System Calls leads to a data processing vulnerability. Using CWE to declare the problem leads to CWE-19. Impacted is availability. CVE summarizes:

The sctp_v6_create_accept_sk function in net/sctp/ipv6.c 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 shared 05/19/2017 by Andrey Konovalov as confirmed git commit (GIT Repository). The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2017-9075 since 05/19/2017. The attack needs to be approached locally. A simple authentication is needed for exploitation. There are known technical details, but no exploit is 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 98597†). The entries VDB-101073, VDB-101471, VDB-101503 and VDB-101505 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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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
Researcher: Andrey Konovalov
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-9075 (🔍)
GCVE (CVE): GCVE-0-2017-9075
GCVE (VulDB): GCVE-100-101504

OVAL: 🔍

SecurityFocus: 98597 - Linux kernel CVE-2017-9075 Local Denial of Service Vulnerability
OSVDB: - CVE-2017-9075 - Linux - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 05/19/2017 15:41
Updated: 12/06/2022 17:07
Changes: 05/19/2017 15:41 (81), 09/30/2020 14:03 (7), 12/06/2022 17:00 (4), 12/06/2022 17:07 (1)
Complete: 🔍
Cache ID: 216::103

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