Denial of service in ncurses
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-50495 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
ncurses Universal components / Libraries / Libraries used by multiple products |
| Vendor | Free Software Foundation |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU84723
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-2023-50495
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input within the _nc_wrap_entry() function. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
MitigationInstall update from vendor's website.
Vulnerable software versionsncurses: 6.0 - 6.4 20230418
External linkshttp://lists.gnu.org/archive/html/bug-ncurses/2023-04/msg00020.html
http://lists.gnu.org/archive/html/bug-ncurses/2023-04/msg00029.html
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.
