Vulnerability identifier: #VU57577
Vulnerability risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-787
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 compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
ncurses: 6.0 - 6.2
External links
http://lists.gnu.org/archive/html/bug-ncurses/2020-08/msg00006.html
http://lists.gnu.org/archive/html/bug-ncurses/2021-10/msg00023.html
http://cvsweb.netbsd.org/bsdweb.cgi/pkgsrc/devel/ncurses/patches/patch-ncurses_tinfo_captoinfo.c?rev=1.1&content-type=text/x-cvsweb-markup
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.