CVE-2021-2461

Parameter Pollution Lead to Application Takeover

Vulnerability Explanation

Vulnerability in the Oracle Communications Interactive Session Recorder product of Oracle Communications (component: Provision API). The supported version that is affected is 6.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Communications Interactive Session Recorder. While the vulnerability is in Oracle Communications Interactive Session Recorder, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Communications Interactive Session Recorder accessible data as well as unauthorized read access to a subset of Oracle Communications Interactive Session Recorder accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Communications Interactive Session Recorder.

Vulnerability Type

• Parameter Pollution

• Broken Access Control

CVSS

• CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L (High)

Vendor

• Oracle

Affected Version

• Oracle Communications Interactive Session Recorder 6.4

Proof of Concept

1. TBU

Exploit Code

# TBU

Tested On

• Oracle Communications Interactive Session Recorder Version: 6.4

Disclosure Timeline

• 2021-07-15: Vulnerability discovered.

• 2022-10-16: Vulnerability fixed.

• 2022-10-16: CVE has been assigned.

• 2022-10-19: Critical Patch Update Released.

Researcher

• Achmad Zaenuri Dahlan Putra (kos0ng)

Additional Information

• https://www.oracle.com/security-alerts/cpuoct2021verbose.html

• https://www.oracle.com/security-alerts/cpuoct2021.html