CVE-2018-9843 : The REST API in CyberArk Password Vault Web Access before 9.9.5 and 10.x before

The REST API in CyberArk Password Vault Web Access before 9.9.5 and 10.x before 10.1 allows remote attackers to execute arbitrary code via a serialized .NET object in an Authorization HTTP header.

Published 2018-04-12 15:29:01

Updated 2019-02-27 20:26:44

Source MITRE

View at NVD, CVE.org

Vulnerability category: Execute code

Products affected by CVE-2018-9843

Cyberark » Password Vault
Versions from including (>=) 10.0 and before (<) 10.1
cpe:2.3:a:cyberark:password_vault:*:*:*:*:*:*:*:*
Matching versions
Cyberark » Password Vault
Versions before (<) 9.9.5
cpe:2.3:a:cyberark:password_vault:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2018-9843

EPSS FAQ

53.98%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 98 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-9843

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2018-9843

CWE-502 Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-9843

http://www.securitytracker.com/id/1040675

CyberArk Password Vault Web Access Input Validation Flaw in HTTP Authentication Header Lets Remote Users Execute Arbitrary Code on the Target System - SecurityTracker
Third Party Advisory;VDB Entry
https://www.redteam-pentesting.de/en/advisories/rt-sa-2017-014/-cyberark-password-vault-web-access-remote-code-execution

RedTeam Pentesting GmbH - CyberArk Password Vault Web Access Remote Code Execution
Exploit;Third Party Advisory
http://www.securityfocus.com/archive/1/541932/100/0/threaded

SecurityFocus
Exploit;Third Party Advisory;VDB Entry
http://seclists.org/fulldisclosure/2018/Apr/18

Full Disclosure: [RT-SA-2017-014] CyberArk Password Vault Web Access Remote Code Execution
Exploit;Mailing List;Third Party Advisory
https://www.exploit-db.com/exploits/44429/

CyberArk Password Vault Web Access < 9.9.5 / < 9.10 / 10.1 - Remote Code Execution
Exploit;Third Party Advisory;VDB Entry

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Vulnerability Details : CVE-2018-9843

Products affected by CVE-2018-9843

Exploit prediction scoring system (EPSS) score for CVE-2018-9843

CVSS scores for CVE-2018-9843

CWE ids for CVE-2018-9843

References for CVE-2018-9843