Vulnerability identifier: #VU49040
Vulnerability risk: Medium
CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: Yes
Vulnerable software:
xstream
Universal components / Libraries /
Libraries used by multiple products
Vendor: XStream
Description
The vulnerability allows a remote attacker to delete arbitrary files on the system.
The vulnerability exists due to insufficient validation of user-supplied input within the blacklisting feature. A remote attacker can pass specially crafted input to the application and delete arbitrary files on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
xstream: 1.4.1 - 1.4.14
External links
http://github.com/x-stream/xstream/security/advisories/GHSA-jfvx-7wrx-43fh
http://x-stream.github.io/CVE-2020-26259.html
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. However, proof of concept for this vulnerability is available.