Linux Kernel 2.6.32 Diagnostic Port unusual condition

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel 2.6.32. This affects an unknown part of the component Diagnostic Port. Performing a manipulation results in unusual condition. This vulnerability is known as CVE-2017-1000407. Remote exploitation of the attack is possible. No exploit is available. It is suggested to use restrictive firewalling.

Detailsinfo

A vulnerability classified as critical has been found in Linux Kernel 2.6.32 (Operating System). This affects an unknown functionality of the component Diagnostic Port. The manipulation with an unknown input leads to a unusual condition vulnerability. CWE is classifying the issue as CWE-754. The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. This is going to have an impact on availability. The summary by CVE is:

The Linux Kernel 2.6.32 and later are affected by a denial of service, by flooding the diagnostic port 0x80 an exception can be triggered leading to a kernel panic.

The bug was discovered 12/04/2017. The weakness was published 12/11/2017 by Prasad J Pandit (Website). It is possible to read the advisory at spinics.net. This vulnerability is uniquely identified as CVE-2017-1000407 since 12/05/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/17/2023).

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 105116 (Debian DLA-1200-1 : linux security update (KRACK)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171709 (SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2018:3746-1)).

It is possible to mitigate the weakness by firewalling . A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (105116) and SecurityFocus (BID 102038†). Similar entries are available at VDB-99009, VDB-109136, VDB-110197 and VDB-110249. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.4
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unusual condition
CWE: CWE-754
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 105116
Nessus Name: Debian DLA-1200-1 : linux security update (KRACK)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 65601
OpenVAS Name: Debian Security Advisory DSA 4073-1 (linux - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/01/2017 🔍
12/04/2017 +3 days 🔍
12/05/2017 +1 days 🔍
12/10/2017 +5 days 🔍
12/11/2017 +1 days 🔍
12/11/2017 +0 days 🔍
12/11/2017 +0 days 🔍
12/12/2017 +1 days 🔍
01/17/2023 +1862 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: RHSA-2018:0676
Researcher: Prasad J Pandit
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-1000407 (🔍)
GCVE (CVE): GCVE-0-2017-1000407
GCVE (VulDB): GCVE-100-110475

OVAL: 🔍

SecurityFocus: 102038 - Linux Kernel 'arch/x86/kvm/vmx.c' Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 12/12/2017 07:56
Updated: 01/17/2023 13:03
Changes: 12/12/2017 07:56 (77), 12/13/2019 17:11 (5), 01/17/2023 13:03 (3)
Complete: 🔍
Cache ID: 216::103

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