Multiple vulnerabilities in Oracle Communications Convergent Charging Controller

Published: 2024-01-17 | Updated: 2024-12-06

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-44487 CVE-2023-37536
CWE-ID	CWE-400 CWE-190
Exploitation vector	Network
Public exploit	Vulnerability #1 is being exploited in the wild.
Vulnerable software	Oracle Communications Convergent Charging Controller Web applications / CRM systems
Vendor	Oracle

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU81728

Risk: High

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2023-44487

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improperly control of consumption for internal resources when handling HTTP/2 requests with compressed HEADERS frames. A remote attacker can send a sequence of compressed HEADERS frames followed by RST_STREAM frames and perform a denial of service (DoS) attack, a.k.a. "Rapid Reset".

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Communications Convergent Charging Controller: 12.0.6.0.0 - 15.0.0.0.0

CPE2.3

External links

https://www.oracle.com/security-alerts/cpujan2024.html?936685

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?

Yes. This vulnerability is being exploited in the wild.

2) Integer overflow

EUVDB-ID: #VU83515

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-37536

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No