Cross-site scripting in Transmission

1) Stored cross-site scripting

EUVDB-ID: #VU43717

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-4037

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

Vulnerability allows a remote attacker to perform cross-site scripting attacks.

An input validation error exists in the web client in Transmission before 2.61 when processing the (1) comment, (2) created by, or (3) name field in a torrent file. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Transmission: 0.1 - 2.52

External links

http://archives.neohapsis.com/archives/fulldisclosure/2012-07/0349.html
http://secunia.com/advisories/50027
http://secunia.com/advisories/50769
http://www.madirish.net/541
http://www.securityfocus.com/bid/54705
http://www.ubuntu.com/usn/USN-1584-1
http://trac.transmissionbt.com/ticket/4979
http://trac.transmissionbt.com/wiki/Changes#version-2.61

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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