SB2017070103 - Remote code execution in ncurses



SB2017070103 - Remote code execution in ncurses

Published: July 1, 2017 Updated: April 24, 2018

Security Bulletin ID SB2017070103
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Stack-based buffer overflow (CVE-ID: CVE-2017-10684)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists in the fmt_entry function of ncurses due to stack-based buffer overflow when handling malicious input. A remote unauthenticated attacker can send a request that submits malicious input, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.