CVE-2019-13496 - Improper Validation of Integrity Check Value

Severity

81%

Complexity

22%

Confidentiality

98%

One Identity Cloud Access Manager before 8.1.4 Hotfix 1 allows OTP bypass via vectors involving a man in the middle, the One Identity Defender product, and replacing a failed SAML response with a successful SAML response.

One Identity Cloud Access Manager before 8.1.4 Hotfix 1 allows OTP bypass via vectors involving a man in the middle, the One Identity Defender product, and replacing a failed SAML response with a successful SAML response.

CVSS 3.1 Base Score 8.1. CVSS Attack Vector: network. CVSS Attack Complexity: high. CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 4.3. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N).

Demo Examples

Improper Validation of Integrity Check Value

CWE-354

The following example demonstrates the weakness.


               
}

                     
if (inet_ntoa(cli.sin_addr)==...) n = recvfrom(sd, msg, MAX_MSG, 0, (struct sockaddr *) & cli, &clilen);

               
}
socket.send(sendPacket);

Overview

First reported 5 years ago

2019-11-04 17:15:00

Last updated 5 years ago

2019-11-05 21:51:00

Affected Software

One Identity Cloud Access Manager

References

https://github.com/FurqanKhan1/CVE-2019-13496

Exploit, Third Party Advisory

https://support.oneidentity.com/cloud-access-manager/kb/311391/cloud-access-manager-8-1-4-hotfix-1

Release Notes, Vendor Advisory

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