PT-2023-11512 · Ncurses+1 · Ncurses+1

Published 2023-08-22 · Updated 2023-12-13 · CVE-2020-19185

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 one one mapping function in progs/dump entry.c:1373. This allows remote attackers to cause a denial of service via crafted commands. The vulnerability is exploited through the one one mapping function, which is susceptible to buffer overflow attacks when processing crafted input.

Recommendations For ncurses version 6.1, this issue was addressed with improved checks, implying that updating to a version with these improved checks would resolve the issue. As a temporary workaround, consider restricting access to the one one mapping function in progs/dump entry.c to minimize the risk of exploitation.

Exploit

Fix

DoS

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-19185

Affected Products

Apple Macos

Ncurses

References · 25

• 🔥 https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc1.md · Exploit
• https://security-tracker.debian.org/tracker/CVE-2020-19185 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-19185 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-19185 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-19185 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-19185 · Security Note
• https://ubuntu.com/security/CVE-2020-19185 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-19185 · Security Note
• https://support.apple.com/en-us/HT214036 · Note
• https://support.apple.com/kb/HT214036 · Note
• https://support.apple.com/en-us/HT214037 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-19185 · Note
• https://support.apple.com/en-us/120879 · Note
• https://support.apple.com/kb/HT214037 · Note
• http://seclists.org/fulldisclosure/2023/Dec/11 · Note