Remote code execution in rxvt-unicode
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-4170 |
| CWE-ID | CWE-74 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
rxvt-unicode Other software / Other software solutions |
| Vendor | rxvt-unicode |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Improper Neutralization of Special Elements in Output Used by a Downstream Component
EUVDB-ID: #VU70670
Risk: Medium
CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-4170
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper input validation in the Perl background extension. A remote attacker can pass specially crafted input to the application and execute arbitrary commands in the victim's terminal when certain configuration is used.
Install updates from vendor's website.
Vulnerable software versionsrxvt-unicode: 9.0 - 9.29
External linkshttp://bugzilla.redhat.com/show_bug.cgi?id=2151597
http://www.openwall.com/lists/oss-security/2022/12/05/1
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.
