VDB-212993 · CVE-2022-43564 · svd-2022-1104

Splunk Enterprise up to 8.1.11/8.2.8/9.0.1 Search Macro resource consumption

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.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Splunk Enterprise up to 8.1.11/8.2.8/9.0.1. Affected by this vulnerability is an unknown functionality of the component Search Macro Handler. The manipulation leads to resource consumption. This vulnerability is listed as CVE-2022-43564. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Splunk Enterprise up to 8.1.11/8.2.8/9.0.1 (Log Management Software). It has been rated as problematic. This issue affects an unknown code of the component Search Macro Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. The summary by CVE is:

In Splunk Enterprise versions below 8.1.12, 8.2.9, and 9.0.2, a remote user who can create search macros and schedule search reports can cause a denial of service through the use of specially crafted search macros.

The weakness was presented 11/05/2022 as svd-2022-1104. The advisory is shared at splunk.com. The identification of this vulnerability is CVE-2022-43564 since 10/20/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 8.1.12, 8.2.9 or 9.0.2 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Log Management Software

Vendor

Splunk

Name

Enterprise

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.9
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 4.9
CNA Vector (Splunk Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Enterprise 8.1.12/8.2.9/9.0.2

Timelineinfo

10/20/2022 🔍
11/05/2022 +16 days 🔍
11/05/2022 +0 days 🔍
12/04/2022 +29 days 🔍

Sourcesinfo

Advisory: svd-2022-1104
Status: Confirmed

CVE: CVE-2022-43564 (🔍)
GCVE (CVE): GCVE-0-2022-43564
GCVE (VulDB): GCVE-100-212993

Entryinfo

Created: 11/05/2022 08:18
Updated: 12/04/2022 16:08
Changes: 11/05/2022 08:18 (52), 12/04/2022 16:08 (12)
Complete: 🔍
Cache ID: 216::103