Denial of service in ncurses
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-19189 |
| CWE-ID | CWE-787 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
ncurses Universal components / Libraries / Libraries used by multiple products |
| Vendor |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Out-of-bounds write
EUVDB-ID: #VU82358
Risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-19189
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
Description The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the postprocess_terminfo() function in tinfo/parse_entry. A local user can run a specially crafted command to trigger an out-of-bounds write and perform a denial of service (DoS) attack.
Install updates from vendor's website.
Vulnerable software versionsncurses: before 6.1
External linkshttp://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc5.md
http://lists.debian.org/debian-lts-announce/2023/09/msg00033.html
http://security.netapp.com/advisory/ntap-20231006-0005/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
