Vulnerability identifier: #VU50810
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
xterm
Other software /
Other software solutions
Vendor: invisible-island.net
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when processing UTF-8 character sequences. A remote attacker can pass specially crafted data to the application, trigger memory corruption and perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
xterm: 317c - _nil_
External links
http://www.openwall.com/lists/oss-security/2021/02/10/7
http://lists.debian.org/debian-lts-announce/2021/02/msg00019.html
http://www.openwall.com/lists/oss-security/2021/02/09/7
http://www.openwall.com/lists/oss-security/2021/02/09/9
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.