IBM PowerVM Hypervisor FW950 FSP 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 classified as critical has been found in IBM PowerVM Hypervisor FW860, PowerVM Hypervisor FW940 and PowerVM Hypervisor FW950. Affected by this vulnerability is an unknown functionality of the component FSP. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2021-38917. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in IBM PowerVM Hypervisor FW860, PowerVM Hypervisor FW940 and PowerVM Hypervisor FW950 (version now known). It has been classified as critical. This affects some unknown processing of the component FSP. 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 weakness was published 12/10/2021. It is possible to read the advisory at ibm.com. This vulnerability is uniquely identified as CVE-2021-38917 since 08/16/2021. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (210018). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

License

Website

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: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.4
CNA Vector (IBM Corporation): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/16/2021 🔍
12/10/2021 +116 days 🔍
12/10/2021 +0 days 🔍
12/15/2021 +5 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-38917 (🔍)
GCVE (CVE): GCVE-0-2021-38917
GCVE (VulDB): GCVE-100-187935
X-Force: 210018

Entryinfo

Created: 12/10/2021 20:37
Updated: 12/15/2021 15:45
Changes: 12/10/2021 20:37 (49), 12/15/2021 15:45 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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