Vulnerability identifier: #VU64274
Vulnerability risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-125
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
ncurses
Universal components / Libraries /
Libraries used by multiple products
Vendor: Free Software Foundation
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in convert_strings in tinfo/read_entry.c in the terminfo library. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
Mitigation
Install patch 20220416 from vendor's repository.
Vulnerable software versions
ncurses: 6.0 - 6.3
External links
http://lists.gnu.org/archive/html/bug-ncurses/2022-04/msg00016.html
http://lists.gnu.org/archive/html/bug-ncurses/2022-04/msg00014.html
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.