Heap-based buffer overflow in ncurses - CVE-2019-17594
Published: October 15, 2019 / Updated: July 28, 2022
Vulnerability identifier: #VU21792
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2019-17594
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Free Software Foundation
Affected software:
ncurses
ncurses
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the "_nc_find_entry" function in "tinfo/comp_hash.c" in the terminfo library. A remote attacker can trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2019-17594
Install updates from vendor's website.