CVE-2019-4305 - Reliance on Cookies without Validation and Integrity Checking

Severity

53%

Complexity

39%

Confidentiality

23%

IBM WebSphere Application Server Liberty could allow a remote attacker to obtain sensitive information caused by the improper setting of a cookie. IBM X-Force ID: 160951.

IBM WebSphere Application Server Liberty could allow a remote attacker to obtain sensitive information caused by the improper setting of a cookie. IBM X-Force ID: 160951.

CVSS 3.1 Base Score 5.3. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N).

Demo Examples

Reliance on Cookies without Validation and Integrity Checking

CWE-565

The following code excerpt reads a value from a browser cookie to determine the role of the user.


               
}
}
userRole = c.getValue();

It is easy for an attacker to modify the "role" value found in the locally stored cookie, allowing privilege escalation.

Overview

First reported 5 years ago

2019-09-30 16:15:00

Last updated 5 years ago

2019-10-09 23:50:00

Affected Software

IBM WebSphere Application Server Liberty Edition

References

ibm-websphere-cve20194305-info-disc (160951)

VDB Entry, Vendor Advisory

https://www.ibm.com/support/pages/node/960171

Vendor Advisory

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