SB2018041402 - Denial of service in ncurses
Published: April 14, 2018
Security Bulletin ID
SB2018041402
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Null pointer dereference (CVE-ID: CVE-2018-10754)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to improper parsing of terminfo files by the _nc_write_entry function, as defined in the tinfo/parse_entry.c source code file. A remote attacker can trick the victim into open a terminfo file that submits malicious input, trigger a NULL pointer dereference condition and cause the application to crash.
Remediation
Install update from vendor's website.