Linux Kernel up to 4.8.x bnx2x Network Card Driver Crafted Packet input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Linux Kernel up to 4.8.x. This vulnerability affects unknown code of the component bnx2x Network Card Driver. Such manipulation as part of Crafted Packet leads to input validation. This vulnerability is uniquely identified as CVE-2018-1000026. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 4.8.x (Operating System) and classified as problematic. Affected by this issue is an unknown functionality of the component bnx2x Network Card Driver. The manipulation as part of a Crafted Packet leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

Linux Linux kernel version at least v4.8 onwards, probably well before contains a Insufficient input validation vulnerability in bnx2x network card driver that can result in DoS: Network card firmware assertion takes card off-line. This attack appear to be exploitable via An attacker on a must pass a very large, specially crafted packet to the bnx2x card. This can be done from an untrusted guest VM..

The bug was discovered 01/16/2018. The weakness was disclosed 02/09/2018 (Website). The advisory is shared for download at lists.openwall.net. This vulnerability is handled as CVE-2018-1000026 since 01/29/2018. The exploitation is known to be easy. The attack may be launched remotely. The successful exploitation needs a simple authentication. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 24 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 106987 (Fedora 26 : kernel (2018-03a6606cb5)), 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 157849 (Oracle Enterprise Linux Security Update for kernel (ELSA-2018-3083)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (106987) and SecurityFocus (BID 106253†). The entries VDB-81153, VDB-87616, VDB-105605 and VDB-109511 are pretty similar. 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: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.7
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 106987
Nessus Name: Fedora 26 : kernel (2018-03a6606cb5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 860347
OpenVAS Name: Fedora Update for kernel FEDORA-2018-7a62047e30
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

01/16/2018 🔍
01/29/2018 +13 days 🔍
02/09/2018 +11 days 🔍
02/09/2018 +0 days 🔍
02/10/2018 +1 days 🔍
02/23/2018 +13 days 🔍
02/26/2018 +3 days 🔍
12/19/2018 +296 days 🔍
02/06/2023 +1510 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: FEDORA-2018-03a6606cb5
Researcher: Vasily Averin, Evgenii Shatokhin.
Status: Confirmed

CVE: CVE-2018-1000026 (🔍)
GCVE (CVE): GCVE-0-2018-1000026
GCVE (VulDB): GCVE-100-113072
SecurityFocus: 106253 - Linux Kernel CVE-2018-16884 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 02/10/2018 09:20
Updated: 02/06/2023 10:01
Changes: 02/10/2018 09:20 (78), 01/03/2020 14:38 (4), 02/03/2021 08:06 (3), 02/06/2023 09:58 (3), 02/06/2023 10:01 (1)
Complete: 🔍
Cache ID: 216:4A0:103

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