Multiple vulnerabilities in Oracle Coherence

Published: 2021-04-25 | Updated: 2022-04-21

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-25649 CVE-2021-2277
CWE-ID	CWE-611 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Oracle Coherence Server applications / Application servers
Vendor	Oracle

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) XML External Entity injection

EUVDB-ID: #VU48979

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-25649

CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

Exploit availability: No

Description

The vulnerability allows a remote attacker to modify information on the system.

The vulnerability exists due to insufficient validation of user-supplied XML input. A remote attacker can pass a specially crafted XML code to the affected application and modify information on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Coherence: 12.2.1.4.0 - 14.1.1.0.0

External links

http://www.oracle.com/security-alerts/cpuapr2021.html?505596

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.

2) Improper input validation

EUVDB-ID: #VU52536

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2277

CWE-ID: CWE-20 - Improper input validation