Splunk Enterprise up to 7.3.8/8.0.8/8.1.2 Splunk-to-Splunk Protocol out-of-bounds

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Splunk Enterprise up to 7.3.8/8.0.8/8.1.2. This impacts an unknown function of the component Splunk-to-Splunk Protocol Handler. Executing a manipulation can lead to out-of-bounds. This vulnerability is registered as CVE-2021-3422. The attack needs to be launched locally. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Splunk Enterprise up to 7.3.8/8.0.8/8.1.2 (Log Management Software). It has been declared as problematic. This vulnerability affects some unknown functionality of the component Splunk-to-Splunk Protocol Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 03/26/2022 as SVD-2022-0301. The advisory is shared for download at claroty.com. This vulnerability was named CVE-2021-3422 since 03/03/2021. There are neither technical details nor an exploit publicly available.

Upgrading to version 7.3.9, 8.0.9, 8.1.3 or 8.2.0 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

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: 🔍

CNA Base Score: 7.8
CNA Vector ([email protected]): 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: 🔍

Upgrade: Enterprise 7.3.9/8.0.9/8.1.3/8.2.0

Timelineinfo

03/03/2021 🔍
03/26/2022 +388 days 🔍
03/26/2022 +0 days 🔍
03/27/2022 +1 days 🔍

Sourcesinfo

Advisory: SVD-2022-0301
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-3422 (🔍)
GCVE (CVE): GCVE-0-2021-3422
GCVE (VulDB): GCVE-100-195820

Entryinfo

Created: 03/26/2022 08:56
Updated: 03/27/2022 14:39
Changes: 03/26/2022 08:56 (52), 03/27/2022 14:39 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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