SB2017100320 - Improper input validation in ncurses (Alpine package)



SB2017100320 - Improper input validation in ncurses (Alpine package)

Published: October 3, 2017

Security Bulletin ID SB2017100320
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper input validation (CVE-ID: CVE-2017-11112)

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

The weakness exists in the append_acs function of tinfo/parse_entry.c due to an attempted 0xffffffffffffffff access. A remote attacker can cause the service to crash if the terminfo library code is used to process untrusted terminfo data.

Remediation

Install update from vendor's website.