Crowd Data Center and Server update for jackson-databind

1) Deserialization of Untrusted Data

EUVDB-ID: #VU26491

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-10968

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data between serialization gadgets and typing, related to org.aoju.bus.proxy.provider.remoting.RmiProvider. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Crowd Data Center: 5.0 - 5.2.3

Crowd: 5.0 - 5.2.3

CPE2.3

• cpe:2.3:a:atlassian:crowd_data_center:5.0.10:*:*:*:*:*:*:
• cpe:2.3:a:atlassian:crowd_data_center:5.1.8:*:*:*:*:*:*:
• cpe:2.3:a:atlassian:crowd_data_center:5.2.3:*:*:*:*:*:*:
• cpe:2.3:a:atlassian:crowd:5.0.10:*:*:*:*:*:*:
• cpe:2.3:a:atlassian:crowd:5.1.8:*:*:*:*:*:*:
• cpe:2.3:a:atlassian:crowd:5.2.3:*:*:*:*:*:*:

External links

http://jira.atlassian.com/browse/CWD-6240

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.