Crowd Data Center and Server update for jackson-databind



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-35728
CWE-ID CWE-502
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Crowd Data Center
Server applications / Other server solutions

Crowd
Server applications / Directory software, identity management

Vendor Atlassian

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Deserialization of Untrusted Data

EUVDB-ID: #VU49378

Risk: High

CVSSv4.0: 8.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2020-35728

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

Exploit availability: Yes

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 related to com.oracle.wls.shaded.org.apache.xalan.lib.sql.JNDIConnectionPool (aka embedded Xalan in org.glassfish.web/javax.servlet.jsp.jstl). 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 External links

https://jira.atlassian.com/browse/CWD-6246


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. However, proof of concept for this vulnerability is available.



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