CVE-2021-39537

An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://lists.gnu.org/archive/html/bug-ncurses/2020-08/msg00006.html	Exploit Mailing List Vendor Advisory
https://lists.gnu.org/archive/html/bug-ncurses/2021-10/msg00023.html	Mailing List Vendor Advisory
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
https://support.apple.com/kb/HT213488	Third Party Advisory
https://support.apple.com/kb/HT213443	Third Party Advisory
https://support.apple.com/kb/HT213444	Third Party Advisory
http://seclists.org/fulldisclosure/2022/Oct/41	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Oct/28	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Oct/43	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2022/Oct/45	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:ncurses:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	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:::::::*

Information

Published : 2021-09-20 09:15

Updated : 2022-12-06 17:38

NVD link : CVE-2021-39537

Mitre link : CVE-2021-39537

JSON object : View

CWE

CWE-787

Out-of-bounds Write

Products Affected

apple

mac_os_x
macos

gnu

ncurses

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