Improper validation of integrity check value in Cloud Access Manager - CVE-2019-13496
Published: November 6, 2019
Vulnerability identifier: #VU22542
CSH Severity: High
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-13496
CWE-ID: CWE-354
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the affected software does not validate or incorrectly validates the integrity check values. A remote attacker can perform a man-in-the-middle (MitM) attack, bypass OTP, replace a failed SAML response with a successful SAML response and gain access to the application.
Affected software
Cloud Access Manager
Amazon Linux AMI
Arch Linux
Gentoo Linux
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Opensuse
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
Amazon Linux AMI
Arch Linux
Gentoo Linux
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Opensuse
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
How to mitigate CVE-2019-13496
Install updates from vendor's website.
Cloud Access Manager - update to 8.1.4 Hotfix 1