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vulnrichmentSplunkVULNRICHMENT:CVE-2023-40596
HistoryAug 30, 2023 - 4:19 p.m.

CVE-2023-40596 Splunk Enterprise on Windows Privilege Escalation due to Insecure OPENSSLDIR Build Definition Reference in DLL

2023-08-3016:19:43
Splunk
github.com
7
splunk
enterprise
cve-2023-40596
privilege escalation
openssldir
windows
dll
insecure path
malicious code

CVSS3

7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

7.3

Confidence

High

EPSS

0

Percentile

9.0%

SSVC

Exploitation

none

Automatable

no

Technical Impact

total

In Splunk Enterprise versions earlier than 8.2.12, 9.0.6, and 9.1.1, a dynamic link library (DLL) that ships with Splunk Enterprise references an insecure path for the OPENSSLDIR build definition. An attacker can abuse this reference and subsequently install malicious code to achieve privilege escalation on the Windows machine.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*"
    ],
    "vendor": "splunk",
    "product": "splunk",
    "versions": [
      {
        "status": "affected",
        "version": "8.2",
        "lessThan": "8.2.12",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "9.0",
        "lessThan": "9.0.6",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "9.1",
        "lessThan": "9.1.1",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unknown"
  }
]

CVSS3

7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

7.3

Confidence

High

EPSS

0

Percentile

9.0%

SSVC

Exploitation

none

Automatable

no

Technical Impact

total

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