Vulnerability identifier: #VU28196

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-10756

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Transmission
Web applications / Other software

Vendor: Transmission Project

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the libtransmission/variant.c in Transmission. A remote attacker can create a specially crafted .torrent file, trick the victim into opening it, trigger a use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Transmission: 0.5 - 2.94

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External links
http://github.com/transmission/transmission/commit/2123adf8e5e1c2b48791f9d22fc8c747e974180e
http://lists.debian.org/debian-lts-announce/2020/05/msg00022.html
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OVAG2HNKNRLWOACFN5F2ANJD2SQ53WI7/
http://tomrichards.net/2020/05/cve-2018-10756-transmission/

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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.