VDB-131104 · CVE-2019-9003 · BID 107145

Linux Kernel up to 4.20.4 ipmi_msghandler.c use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Linux Kernel up to 4.20.4. The affected element is an unknown function of the file drivers/char/ipmi/ipmi_msghandler.c. Executing a manipulation can lead to use after free. The identification of this vulnerability is CVE-2019-9003. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel up to 4.20.4 (Operating System). This vulnerability affects an unknown functionality of the file drivers/char/ipmi/ipmi_msghandler.c. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In the Linux kernel before 4.20.5, attackers can trigger a drivers/char/ipmi/ipmi_msghandler.c use-after-free and OOPS by arranging for certain simultaneous execution of the code, as demonstrated by a "service ipmievd restart" loop.

The bug was discovered 01/23/2019. The weakness was shared 02/22/2019 (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2019-9003 since 02/22/2019. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 30 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197413 (Ubuntu Security Notification for Linux, Linux-aws, Linux-azure, Linux-gcp, Linux-kvm, Linux-raspi2 (USN-3930-1)).

Upgrading to version 4.20.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 107145†). The entries VDB-131213 and VDB-132697 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.20.5
Patch: git.kernel.org

Timelineinfo

01/23/2019 🔍
02/22/2019 +30 days 🔍
02/22/2019 +0 days 🔍
02/23/2019 +1 days 🔍
02/23/2019 +0 days 🔍
07/19/2023 +1607 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 77f8269606bf95fcb232ee86f6da80886f1dfae8⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-9003 (🔍)
GCVE (CVE): GCVE-0-2019-9003
GCVE (VulDB): GCVE-100-131104
SecurityFocus: 107145 - Linux Kernel 'drivers/char/ipmi/ipmi_msghandler.c' Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 02/23/2019 07:56
Updated: 07/19/2023 08:49
Changes: 02/23/2019 07:56 (63), 05/12/2020 09:42 (5), 07/19/2023 08:48 (5), 07/19/2023 08:49 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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