Input validation error in IceWall MFA

1) Input validation error

EUVDB-ID: #VU19314

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-11989

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can perform a denial of service attack on the affected system.

The versions and platforms of Agent Option modules that are impacted are as follows:

• 10.0 for Apache 2.2 on RHEL 5 and 6
• 10.0 for Apache 2.4 on RHEL 7
• 10.0 for Apache 2.4 on HP-UX 11i v3
• 10.0 for IIS on Windows
• 11.0 for Apache 2.4 on RHEL 7
• MFA Proxy 4.0 (Agent module only) for Apache 2.4 on RHEL 7

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

IceWall MFA: 4.0

HPE IceWall SSO Agent Option: 10.0 - 11.0

CPE2.3

• cpe:2.3:a:hewlett_packard_enterprise_development_lp:icewall_mfa:4.0:*:*:*:*:*:*:*
• cpe:2.3:a:hewlett_packard_enterprise_development_lp:hpe_icewall_sso_agent_option:10.0:*:*:*:*:*:*:*
• cpe:2.3:a:hewlett_packard_enterprise_development_lp:hpe_icewall_sso_agent_option:11.0:*:*:*:*:*:*:*

External links

https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbmu03941en_us
https://h50146.www5.hpe.com/products/software/security/icewall/iwsoftware/patchaccess/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.