Information disclosure in Etherpad

1) Information disclosure

EUVDB-ID: #VU37673

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-2015-2298

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

node/utils/ExportEtherpad.js in Etherpad 1.5.x before 1.5.2 might allow remote attackers to obtain sensitive information by leveraging an improper substring check when exporting a padID.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Etherpad: 1.5.0 - 1.5.1

External links

http://www.openwall.com/lists/oss-security/2015/03/15/3
http://github.com/ether/etherpad-lite/commit/a0fb65205c7d7ff95f00eb9fd88e93b300f30c3d
http://github.com/ether/etherpad-lite/releases/tag/1.5.2

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.