Infinite loop in ncurses - CVE-2017-13728

 

Infinite loop in ncurses - CVE-2017-13728

Published: April 26, 2018


Vulnerability identifier: #VU12195
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-13728
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Free Software Foundation
Affected software:
ncurses

Detailed vulnerability description

The vulnerability allows a remote attacker to cause Dos condition on the target system.

The weakness exists in the next_char function in comp_scan.c due to an infinite loop. A remote attacker can submit a specially crafted input and cause the service to crash.

How to mitigate CVE-2017-13728

Update to version 6.1.

Sources