Vulnerability identifier: #VU42759

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2013-3925

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Crowd
Server applications / Directory software, identity management

Vendor: Atlassian

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Atlassian Crowd 2.5.x before 2.5.4, 2.6.x before 2.6.3, 2.3.8, and 2.4.9 allows remote attackers to read arbitrary files and send HTTP requests to intranet servers via a request to (1) /services/2 or (2) services/latest with a DTD containing an XML external entity declaration in conjunction with an entity reference.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Crowd: 2.5.0 - 2.5.3, 2.6.0 - 2.6.2, 2.3.8, 2.4.9

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External links
http://www.commandfive.com/papers/C5_TA_2013_3925_AtlassianCrowd.pdf
http://jira.atlassian.com/browse/CWD-3366

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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.