Security restrictions bypass in IBM Security Access Manager



Published: 2018-03-07
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-1443
CWE-ID CWE-611
Exploitation vector Network
Public exploit N/A
Vulnerable software
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IBM Security Verify Access
Server applications / Remote management servers, RDP, SSH

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) XXE attack

EUVDB-ID: #VU10881

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2018-1443

CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

Exploit availability: No

Description

The vulnerability allows a remote authenticated attacker to perform XXE attack and bypass security restrictions.

The vulnerability exists in SAML-based single sign-on (SSO) systems due to improper handling of XML External Entity (XXE) entries when parsing an XML file. A remote attacker can trick SAML systems into authenticating as a different user without knowledge of the victim users password and bypass security restrictions to perform further attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Security Verify Access: 9.0.0 - 9.0.4


CPE2.3 External links

http://www-01.ibm.com/support/docview.wss?uid=swg22014160

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?



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