Use-after-free in Oracle Communications Network Charging and Control

1) Use-after-free

EUVDB-ID: #VU28773

Risk: High

CVSSv4.0: 7.2 [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/E:U/U:Amber]

CVE-ID: CVE-2020-13871

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in resetAccumulator() function in select.c. A remote attacker can pass specially crafted data to the application, trigger a use-after-free error and crash the service or execute arbitrary code on the target system

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Communications Network Charging and Control: 6.0.1.0 - 12.0.2.0

CPE2.3

• cpe:2.3:a:oracle:oracle_communications_network_charging_and_control:6.0.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:oracle:oracle_communications_network_charging_and_control:12.0.2.0:*:*:*:*:*:*:*

External links

https://www.oracle.com/security-alerts/cpujan2021.html?3209

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.