Remote Code Execution in CyberArk Password Vault Web Access
CVE-2018-9843

9.8CRITICAL

Key Information:

Vendor

Cyberark

Status
Password Vault
Vendor
CVE Published:
12 April 2018

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2018-9843?

The REST API of CyberArk Password Vault Web Access versions prior to 9.9.5 and 10.x below 10.1 is susceptible to a remote code execution vulnerability. This flaw allows remote attackers to inject and execute arbitrary code by sending a specially crafted serialized .NET object in an Authorization HTTP header. Exploitation of this vulnerability could lead to unauthorized access and potentially compromise the security of the system.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2018-9843 - Proof of Concept

References

http://seclists.org/fulldisclosure/2018/Apr/18
mailing-listx_refsource_FULLDISC
http://www.securitytracker.com/id/1040675
vdb-entryx_refsource_SECTRACK
https://www.exploit-db.com/exploits/44429/
exploitx_refsource_EXPLOIT-DB

EPSS Score

9% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.