CVE-2020-19186: Buffer Overflow

Published Aug 22, 2023
·
Updated

Accessibility. A privacy issue was addressed with improved private data redaction for log entries.

Other sources

Accessibility. This issue was addressed with improved state management.

Apple

Accounts. A privacy issue was addressed with improved private data redaction for log entries.

Apple

AppleEvents. This issue was addressed with improved redaction of sensitive information.

Apple

AppleGraphicsControl. Multiple memory corruption issues were addressed with improved input validation.

Apple

AppleVA. The issue was addressed with improved memory handling.

Apple

Credit

CVE-2020-19185, CVE-2020-19186, CVE-2020-19187, CVE-2020-19188, CVE-2020-19189, CVE-2020-19190, Mickey Jin@@patch1t, an anonymous researcher, Marc Newlin(SkySafe), Koh M. Nakagawa@@tsunek0h, CVE-2023-38545, CVE-2023-38039, CVE-2023-38546, Yann GASCUEL(Alter Solutions), Anthony Cruz Tyrant Corp@@App, Wojciech Regula(SecuRing), Zhenjiang Zhao(Pangu Team), Qianxin, Junsung Lee, Meysam Firouzi@@R00tkitSMM, Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), Pan ZhenPeng@@Peterpan0927(STAR Labs SG Pte), Eloi Benoist-Vanderbeken@@elvanderb(Synacktiv), CVE-2023-42893, CVE-2023-3618, Ron Masas(BreakPoint), Csaba Fitzl@@theevilbit(OffSec), Csaba Fitzl@@theevilbit(Offensive Security), Arsenii Kostromin (0x3c3e), Mattie Behrens, Joshua Jewett@@JoshJewett33, Zhongquan Li@@Guluisacat, Zhongquan Li@@Guluisacat(Dawn Security Lab of JingDong), CVE-2023-5344, Pwn2car, Zoom Offensive Security Team, Nan Wang@@eternalsakura13(360 Vulnerability Research Institute), rushikesh nandedkar, SungKwon Lee (Demon.Team), Noah Roskin-Frazee, Pr, Ivan Fratric(Google Project Zero), (Trend Micro Zero Day Initiative), Don Clarke, Kirin@@Pwnrin, Yiğit Can YILMAZ@@yilmazcanyigit(Offensive Security), (Offensive Security), Yiğit Can YILMAZ@@yilmazcanyigit, Jewel Lambert, Zhipeng Huo@@R3dF09(Tencent Security Xuanwu Lab), Apple

Affected Software

5 affected componentsFixes available
Apple macOS Sonoma<14.2
14.2
Apple macOS Monterey<12.7.2
12.7.2
Apple macOS Ventura<13.6.3
13.6.3
GNU ncurses=6.1
NetApp Active Iq Unified Manager Vsphere

Event History

Aug 22, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Dec 11, 2023
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Affected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID of this buffer overflow vulnerability?

The vulnerability ID is CVE-2020-19186.

2

Which function is affected by the buffer overflow vulnerability?

The _nc_find_entry function in tinfo/comp_hash.c:66 is affected.

3

What is the severity rating of CVE-2020-19186?

CVE-2020-19186 has a severity rating of 6.5, which is considered medium.

4

How can an attacker exploit this buffer overflow vulnerability?

An attacker can exploit this vulnerability by sending crafted commands remotely, leading to a denial of service.

5

Is there a fix available for CVE-2020-19186?

To fix CVE-2020-19186, it is recommended to update to a version of ncurses that addresses the vulnerability.

Contact

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