SB2018111702 - Denial of service in ncurses

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Main Vulnerability Database SB2018111702

SB2018111702 - Denial of service in ncurses

Published: November 17, 2018 Updated: October 25, 2023

Security Bulletin ID SB2018111702
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
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 2 vulnerabilities.


1) Null pointer dereference (CVE-ID: CVE-2018-19217)

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 NULL pointer dereference condition in the _nc_name_match function when handling maliciou input. A remote attacker can trick the victim into opening a specially crafted file that submits malicious input, trigger a NULL pointer dereference condition and cause the service to crash.


2) Null pointer dereference (CVE-ID: CVE-2018-19211)

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 NULL pointer dereference condition in the _nc_write_entry function when handling maliciou input. A remote attacker can trick the victim into opening a specially crafted file that submits malicious input, trigger a NULL pointer dereference condition and cause the service to crash.


Remediation

Install update from vendor's website.

References