Linux Kernel up to 4.10.6 net/packet/af_packet.c packet_set_ring memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 4.10.6. It has been classified as critical. This vulnerability affects the function packet_set_ring of the file net/packet/af_packet.c. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2017-7308. The attack must be initiated from a local position. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 4.10.6 (Operating System). It has been classified as critical. This affects the function packet_set_ring of the file net/packet/af_packet.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The packet_set_ring function in net/packet/af_packet.c in the Linux kernel through 4.10.6 does not properly validate certain block-size data, which allows local users to cause a denial of service (overflow) or possibly have unspecified other impact via crafted system calls.

The bug was discovered 03/29/2017. The weakness was shared 03/29/2017 by Andrey Konovalov (Website). The advisory is shared at patchwork.ozlabs.org. This vulnerability is uniquely identified as CVE-2017-7308 since 03/29/2017. An attack has to be approached locally. The requirement for exploitation is a authentication. Technical details and a public exploit are known.

A public exploit has been developed by Andrey Konovalov in ANSI C and been published 2 months after the advisory. The exploit is shared for download at exploit-db.com. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 99423 (Fedora 25 : kernel (2017-26c9ecd7a4)), 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 169967 (SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2017:1183-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (41994), Tenable (99423) and SecurityFocus (BID 97234†). The entries VDB-99021, VDB-99557 and VDB-99559 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Highly functional
Author: Andrey Konovalov
Programming Language: 🔍
Download: 🔍

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

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Nessus ID: 99423
Nessus Name: Fedora 25 : kernel (2017-26c9ecd7a4)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for linux-hwe USN-3256-2
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: af_packet_packet_set_ring_priv_esc.rb
MetaSploit Name: AF_PACKET packet_set_ring Privilege Escalation
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Exploit Delay Time: 🔍

Timelineinfo

03/29/2017 🔍
03/29/2017 +0 days 🔍
03/29/2017 +0 days 🔍
03/29/2017 +0 days 🔍
03/29/2017 +0 days 🔍
03/30/2017 +1 days 🔍
04/17/2017 +18 days 🔍
04/18/2017 +1 days 🔍
05/11/2017 +23 days 🔍
05/11/2017 +0 days 🔍
12/26/2024 +2786 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: FEDORA-2017-26c9ecd7a4
Researcher: Andrey Konovalov
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7308 (🔍)
GCVE (CVE): GCVE-0-2017-7308
GCVE (VulDB): GCVE-100-99069
SecurityFocus: 97234 - Linux kernel CVE-2017-7308 Local Denial of Service Vulnerability
OSVDB: - CVE-2017-7308 - Linux - Privilege Escalation Issue

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

Entryinfo

Created: 03/30/2017 09:17
Updated: 12/26/2024 18:59
Changes: 03/30/2017 09:17 (89), 09/25/2020 14:45 (8), 11/24/2022 08:35 (4), 11/24/2022 08:40 (1), 12/26/2024 18:59 (14)
Complete: 🔍
Cache ID: 216::103

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