Session Fixation in Atlassian Crowd



Published: 2019-02-13 | Updated: 2020-07-17
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-20238
CWE-ID CWE-384
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Crowd
Server applications / Directory software, identity management

Vendor Atlassian

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Session Fixation

EUVDB-ID: #VU31158

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-20238

CWE-ID: CWE-384 - Session Fixation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to read and manipulate data.

Various rest resources in Atlassian Crowd before version 3.2.7 and from version 3.3.0 before version 3.3.4 allow remote attackers to authenticate using an expired user session via an insufficient session expiration vulnerability.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Crowd: 3.3.0 - 3.3.3

External links

http://www.securityfocus.com/bid/107036
http://jira.atlassian.com/browse/CWD-5361


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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