Linux Kernel up to 4.11.1 net/ipv6/tcp_ipv6.c tcp_v6_syn_recv_sock System Calls data processing

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in Linux Kernel up to 4.11.1. Affected by this vulnerability is the function tcp_v6_syn_recv_sock of the file net/ipv6/tcp_ipv6.c. The manipulation as part of System Calls results in data processing.
This vulnerability was named CVE-2017-9077. The attack needs to be approached locally. There is no available exploit.
It is advisable to implement a patch to correct this issue.
Details
A vulnerability was found in Linux Kernel up to 4.11.1 (Operating System). It has been classified as problematic. Affected is the function tcp_v6_syn_recv_sock of the file net/ipv6/tcp_ipv6.c. 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. CVE summarizes:
The tcp_v6_syn_recv_sock function in net/ipv6/tcp_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 presented 05/19/2017 as confirmed git commit (GIT Repository). The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2017-9077 since 05/19/2017. The attack needs to be approached locally. The successful exploitation needs a authentication. 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 98583†). See VDB-101073, VDB-101471, VDB-101503 and VDB-101504 for similar entries. Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB 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: 🔍
CVSSv2
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VulDB Base Score: 🔍
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Exploiting
Class: Data processingCWE: 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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: git.kernel.org
Timeline
05/09/2017 🔍05/19/2017 🔍
05/19/2017 🔍
05/19/2017 🔍
05/19/2017 🔍
05/19/2017 🔍
05/25/2017 🔍
05/26/2017 🔍
12/06/2022 🔍
Sources
Vendor: kernel.orgAdvisory: FEDORA-2017-273b67d5ee
Researcher: WANG Cong
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2017-9077 (🔍)
GCVE (CVE): GCVE-0-2017-9077
GCVE (VulDB): GCVE-100-101508
OVAL: 🔍
SecurityFocus: 98583 - Linux kernel CVE-2017-9077 Local Denial of Service Vulnerability
OSVDB: - CVE-2017-9077 - Linux - Denial of Service Issue
See also: 🔍
Entry
Created: 05/19/2017 23:49Updated: 12/06/2022 17:36
Changes: 05/19/2017 23:49 (81), 09/30/2020 14:29 (6), 12/25/2020 08:45 (2), 12/06/2022 17:29 (3), 12/06/2022 17:36 (1)
Complete: 🔍
Cache ID: 216::103
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