PT-2023-11513 · Ncurses+1 · Ncurses+1

Published 2023-08-22 · Updated 2023-12-13 · CVE-2020-19186

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions ncurses version 6.1

Description The issue is related to a Buffer Overflow vulnerability in the nc find entry function in tinfo/comp hash.c:66 of ncurses. This allows remote attackers to cause a denial of service via crafted commands.

Recommendations For ncurses version 6.1, this issue was addressed with improved checks, implying an update to a version containing these checks would resolve the issue.

Exploit

Fix

DoS

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-19186

Affected Products

Apple Macos

Ncurses

References · 24

• 🔥 https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc2.md · Exploit
• https://osv.dev/vulnerability/CVE-2020-19186 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-19186 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-19186 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-19186 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-19186 · Security Note
• https://cve.org/CVERecord?id=CVE-2020-19186 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-19186 · Vendor Advisory
• https://support.apple.com/en-us/HT214036 · Note
• https://support.apple.com/kb/HT214036 · Note
• https://support.apple.com/en-us/HT214037 · Note
• https://support.apple.com/en-us/120879 · Note
• https://support.apple.com/kb/HT214037 · Note
• http://seclists.org/fulldisclosure/2023/Dec/11 · Note
• https://t.me/cvenotify/63201 · Telegram Post