CVE-2023-34298

Summary

Pulse Secure Client SetupService Directory Traversal Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Pulse Secure Client. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within SetupService. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the service. Was ZDI-CAN-17687.

Affected Software

Weaknesses

• CWE-22: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

Additional References

• https://forums.ivanti.com/s/article/CVE-2023-34298-Ivanti-Secure-Access-Client-local-privilege-escalation?language=en_US

CVE Program Container

Additional References

• https://www.zerodayinitiative.com/advisories/ZDI-23-858/

References

• https://www.zerodayinitiative.com/advisories/ZDI-23-858/

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