Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-27135 |
CWE-ID | CWE-119 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
xterm Other software / Other software solutions |
Vendor | invisible-island.net |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU50810
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: CVE-2021-27135
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsxterm: 317c - _nil_
External linkshttp://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
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.