Vulnerability Details : CVE-2021-39537
An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.
Vulnerability category: OverflowMemory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2021-39537
Probability of exploitation activity in the next 30 days: 0.71%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 78 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-39537
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
[email protected] |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
[email protected] |
CWE ids for CVE-2021-39537
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: [email protected] (Primary)
References for CVE-2021-39537
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https://security.netapp.com/advisory/ntap-20230427-0012/
-
https://support.apple.com/kb/HT213488
Third Party Advisory
-
https://support.apple.com/kb/HT213443
Third Party Advisory
-
http://seclists.org/fulldisclosure/2022/Oct/45
Mailing List;Third Party Advisory
-
http://seclists.org/fulldisclosure/2022/Oct/41
Mailing List;Third Party Advisory
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http://cvsweb.netbsd.org/bsdweb.cgi/pkgsrc/devel/ncurses/patches/patch-ncurses_tinfo_captoinfo.c?rev=1.1&content-type=text/x-cvsweb-markup
Patch;Third Party Advisory
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http://seclists.org/fulldisclosure/2022/Oct/28
Mailing List;Third Party Advisory
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https://lists.gnu.org/archive/html/bug-ncurses/2021-10/msg00023.html
Mailing List;Vendor Advisory
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https://lists.gnu.org/archive/html/bug-ncurses/2020-08/msg00006.html
Exploit;Mailing List;Vendor Advisory
-
https://support.apple.com/kb/HT213444
Third Party Advisory
-
http://seclists.org/fulldisclosure/2022/Oct/43
Mailing List;Third Party Advisory
Products affected by CVE-2021-39537
- cpe:2.3:o:apple:mac_os_x:10.12.6:*:*:*:*:*:*:*
- cpe:2.3:o:apple:macos:13.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:macos:11.7:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:ncurses:*:*:*:*:*:*:*:*