CVE-2020-19190: Buffer Overflow
First published: Tue Aug 22 2023(Updated: )
ncurses. This issue was addressed with improved checks.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple macOS Ventura | <13.6.3 | 13.6.3 |
| Apple macOS Monterey | <12.7.2 | 12.7.2 |
| Apple macOS Sonoma | <14.2 | 14.2 |
| GNU ncurses | =6.1 | |
| Netapp Active Iq Unified Manager Vsphere |
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Reference Links
- https://support.apple.com/en-us/HT214036 (Advisory)
- https://support.apple.com/en-us/HT214037 (Advisory)
- https://support.apple.com/en-us/HT214038 (Advisory)
- https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc6.md
- https://security.netapp.com/advisory/ntap-20231006-0005/
- https://support.apple.com/kb/HT214038
- https://support.apple.com/kb/HT214036
- https://support.apple.com/kb/HT214037
- http://seclists.org/fulldisclosure/2023/Dec/9
- http://seclists.org/fulldisclosure/2023/Dec/10
- http://seclists.org/fulldisclosure/2023/Dec/11
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2023-42919
- CVE-2023-42894
- CVE-2023-42924
- CVE-2023-42896
- CVE-2023-42952
- CVE-2023-42884
- CVE-2023-42886
- CVE-2023-42931
- CVE-2023-42892
- CVE-2023-42922
- CVE-2023-42834
- CVE-2023-42899
- CVE-2023-42891
- CVE-2023-42974
- CVE-2023-42914
- CVE-2023-42893
- CVE-2023-3618
- CVE-2020-19185
- CVE-2020-19186
- CVE-2020-19187
- CVE-2020-19188
- CVE-2020-19189
- CVE-2020-19190
- CVE-2023-42838
- CVE-2023-42836
- CVE-2023-42936
- CVE-2023-42930
- CVE-2023-42932
- CVE-2023-42947
- CVE-2023-5344
- CVE-2023-42874
- CVE-2023-42937
- CVE-2023-42901
- CVE-2023-42902
- CVE-2023-42912
- CVE-2023-42903
- CVE-2023-42904
- CVE-2023-42905
- CVE-2023-42906
- CVE-2023-42907
- CVE-2023-42908
- CVE-2023-42909
- CVE-2023-42910
- CVE-2023-42911
- CVE-2023-42926
- CVE-2023-42882
- CVE-2023-42881
- CVE-2023-45866
- CVE-2023-42900
- CVE-2023-38545
- CVE-2023-38039
- CVE-2023-38546
- CVE-2023-42898
- CVE-2023-42888
- CVE-2023-42887
- CVE-2023-40390
- CVE-2023-42842
- CVE-2023-42913
- CVE-2023-42890
- CVE-2023-42883
- CVE-2023-42950
- CVE-2023-42956
Frequently Asked Questions
What is CVE-2020-19190?
CVE-2020-19190 is a buffer overflow vulnerability in the _nc_find_entry function in ncurses 6.1, which can allow remote attackers to cause a denial of service attack.
How does the buffer overflow vulnerability in _nc_find_entry work?
The buffer overflow occurs in the comp_hash.c file at line 70, where crafted commands are processed, causing the program to crash or become unresponsive.
What is the severity of CVE-2020-19190?
CVE-2020-19190 has a severity rating of 6.5, which is considered medium.
Which versions of ncurses are affected by CVE-2020-19190?
The vulnerability affects version 6.1 of ncurses.
How can the buffer overflow vulnerability in ncurses be fixed?
To mitigate the vulnerability, it is recommended to update to a patched version of ncurses.
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- alias/CVE-2020-19186
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- alias/CVE-2020-19188
- alias/CVE-2020-19189
- alias/CVE-2020-19190
- agent/software-canonical-lookup
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- vendor/apple
- canonical/apple macos ventura
- canonical/apple macos monterey
- canonical/apple macos sonoma
- vendor/gnu
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- vendor/netapp
- canonical/netapp active iq unified manager vsphere