Multiple vulnerabilities in Splunk Enterprise and Splunk Cloud Platform



Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2023-22940
CVE-2023-22941
CVE-2023-22938
CWE-ID CWE-20
CWE-248
CWE-285
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Splunk Enterprise
Server applications / IDS/IPS systems, Firewalls and proxy servers

Splunk Cloud Platform
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor Splunk Inc.

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU77075

Risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-22940

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the SPL Command Safeguards Bypass within the "collect" SPL Command Aliases. A remote user can gain access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Splunk Enterprise: 8.1.0 - 9.0.3

CPE2.3 External links

http://advisory.splunk.com/advisories/SVD-2023-0210
http://research.splunk.com/endpoint/ee69374a-d27e-4136-adac-956a96ff60fd


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Uncaught Exception

EUVDB-ID: #VU77074

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-22941

CWE-ID: CWE-248 - Uncaught Exception

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to uncaught exception in the "INGEST_EVAL" parameter. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Splunk Enterprise: 8.1.0 - 9.0.3

Splunk Cloud Platform: 9.0.2209

CPE2.3 External links

http://advisory.splunk.com/advisories/SVD-2023-0211
http://research.splunk.com/application/08978eca-caff-44c1-84dc-53f17def4e14/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Improper Authorization

EUVDB-ID: #VU77068

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-22938

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass the authorization mechanisms.

The vulnerability exists due to permissions validation failure in the "sendemail" REST API Endpoint. A remote user can send an email as the Splunk instance.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Splunk Enterprise: 8.1.0 - 9.0.3

Splunk Cloud Platform: before 9.0.2212

CPE2.3 External links

http://advisory.splunk.com/advisories/SVD-2023-0208


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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