#VU84085 Out-of-bounds write in ncurses


Published: 2023-12-11

Vulnerability identifier: #VU84085

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-19185

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ncurses
Universal components / Libraries / Libraries used by multiple products

Vendor:

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error within the one_one_mapping() function in progs/dump_entry.c. A remote attacker can send a specially crafted command to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc1.md
http://security.netapp.com/advisory/ntap-20231006-0005/


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.


Latest bulletins with this vulnerability