CyberSecBulletin
CVE-2024-36985NVD status: Analyzed

Splunk Enterprise: Function Call With Incorrectly Specified Argument Value

CVE-2024-36985 is a high-severity function call with incorrectly specified argument value vulnerability in Splunk Enterprise from Splunk, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. The record lists versions 9.2.2, 9.1.5, 9.0.10 as the first without the flaw, so updating Splunk Enterprise to one of those releases or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 6.46% chance of exploitation within 30 days, which is in the top 6.15% of all scored CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Splunk Enterprise to 9.2.2 or 9.1.5 or 9.0.10, whichever matches your release line, or a later version.
  2. Update splunk to 9.2.2 or 9.1.5 or 9.0.10, whichever matches your release line, or a later version.
  3. Read the advisory on advisory.splunk.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
SplunkSplunk Enterprise9.2 up to, but not including, 9.2.2; 9.1 up to, but not including, 9.1.5; 9.0 up to, but not including, 9.0.109.2.2, 9.1.5, 9.0.10
Splunksplunk9.2 up to, but not including, 9.2.2; 9.1 up to, but not including, 9.1.5; 9.0 up to, but not including, 9.0.109.2.2, 9.1.5, 9.0.10

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.18.8HighCNA (splunk.com)
CVSS 3.18.8HighNVD

Official description

In Splunk Enterprise versions below 9.2.2, 9.1.5, and 9.0.10, a low-privileged user that does not hold the admin or power Splunk roles could cause a Remote Code Execution through an external lookup that references the “splunk_archiver“ application.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Function Call With Incorrectly Specified Argument Value

The product calls a function, procedure, or routine, but the caller specifies an argument that contains the wrong value, which may lead to resultant weaknesses.

More Function Call With Incorrectly Specified Argument Value vulnerabilities (CWE-687)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Splunk Enterprise

All Splunk Enterprise vulnerabilities

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