Linux Kernel up to 3.14.72/4.4.13/4.6.2 setsockopt access control

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Linux Kernel up to 3.14.72/4.4.13/4.6.2. The affected element is the function setsockopt. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2016-4997. The attack requires local access. In addition, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel up to 3.14.72/4.4.13/4.6.2 (Operating System). This vulnerability affects the function setsockopt. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 06/24/2016 (Website). The advisory is available at github.com. This vulnerability was named CVE-2016-4997 since 05/24/2016. The exploitation appears to be easy. Local access is required to approach this attack. The successful exploitation needs a single authentication. Technical details and also a public exploit are known. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

It is possible to download the exploit at exploit-db.com. It is declared as highly functional. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 91880 (Ubuntu 14.04 LTS : linux vulnerabilities (USN-3018-1)), 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 196518 (Ubuntu Security Notification for Linux-lts-vivid Vulnerabilities (USN-3020-1)).

Upgrading to version 3.14.73, 4.4.14 or 4.6.3 eliminates this vulnerability. A possible mitigation has been published 3 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (40435), Tenable (91880), SecurityFocus (BID 91451†) and SecurityTracker (ID 1036171†). See VDB-87611, VDB-88137, VDB-88552 and VDB-90548 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 91880
Nessus Name: Ubuntu 14.04 LTS : linux vulnerabilities (USN-3018-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 863936
OpenVAS Name: Ubuntu Update for linux USN-3018-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: netfilter_priv_esc.rb
MetaSploit Name: Linux Kernel 4.6.3 Netfilter Privilege Escalation
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Kernel 3.14.73/4.4.14/4.6.3
Patch: git.kernel.org

Timelineinfo

05/24/2016 🔍
06/24/2016 +31 days 🔍
06/24/2016 +0 days 🔍
06/27/2016 +3 days 🔍
06/27/2016 +0 days 🔍
06/27/2016 +0 days 🔍
06/28/2016 +1 days 🔍
07/03/2016 +5 days 🔍
11/11/2024 +3053 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-3016-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4997 (🔍)
GCVE (CVE): GCVE-0-2016-4997
GCVE (VulDB): GCVE-100-88138

OVAL: 🔍

SecurityFocus: 91451 - Linux Kernel Multiple Local Memory Corruption Vulnerabilities
SecurityTracker: 1036171

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

Entryinfo

Created: 06/27/2016 14:43
Updated: 11/11/2024 13:52
Changes: 06/27/2016 14:43 (75), 02/11/2019 09:54 (18), 08/24/2022 16:22 (6), 08/24/2022 16:30 (1), 11/11/2024 13:52 (14)
Complete: 🔍
Cache ID: 216:943:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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