Multiple vulnerabilities in uTorrent

Published: 2018-02-21

Risk	Low
Patch available	NO
Number of vulnerabilities	2
CVE-ID	N/A
CWE-ID	CWE-264 CWE-200
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	uTorrent Client/Desktop applications / Other client software
Vendor	utorrent.com

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Security restrictions bypass

EUVDB-ID: #VU10676

Risk: Low

CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: N/A

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass security restriction on the target system.

The weakness exists due to perform DNS rebinding attack, host JavaScript code on a website to create a bridge to the local network, bypass the same-origin policy (SOP), change the download directory to the Startup folder in Windows and download an executable file to any writable location, which would run on every startup.

Mitigation

The vendor has issued an incomplete security fix for the vulnerability.

Vulnerable software versions

uTorrent: 3.0 - 3.4.2

External links

http://bugs.chromium.org/p/project-zero/issues/detail?id=1524

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.

2) Information disclosure

EUVDB-ID: #VU10677