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    CVE-2021-39537

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

    Published:Aug 4, 2020
    Last Modified:Nov 21, 2024
    EPS:Sep 20, 2021
    EPSS Score:0.00409
    CVSS Score:8.8

    Affected Products

    Vendor
    Apple
    Product
    Mac Os X
    Vendor
    Apple
    Product
    Macos
    Vendor
    Gnu
    Product
    Ncurses

    Exploits

    https://lists.gnu.org/archive/html/bug-ncurses/2020-08/msg00006.htmlhttps://lists.gnu.org/archive/html/bug-ncurses/2020-08/msg00006.html

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    References

    http://cvsweb.netbsd.org/bsdweb.cgi/pkgsrc/devel/ncurses/patches/patch-ncurses_tinfo_captoinfo.c?rev=1.1&content-type=text/x-cvsweb-markup
    http://seclists.org/fulldisclosure/2022/Oct/28
    http://seclists.org/fulldisclosure/2022/Oct/41
    http://seclists.org/fulldisclosure/2022/Oct/43
    http://seclists.org/fulldisclosure/2022/Oct/45
    https://lists.debian.org/debian-lts-announce/2023/12/msg00004.html
    https://lists.gnu.org/archive/html/bug-ncurses/2020-08/msg00006.html
    https://lists.gnu.org/archive/html/bug-ncurses/2021-10/msg00023.html
    https://security.netapp.com/advisory/ntap-20230427-0012/
    https://support.apple.com/kb/HT213443
    https://support.apple.com/kb/HT213444
    https://support.apple.com/kb/HT213488
    http://cvsweb.netbsd.org/bsdweb.cgi/pkgsrc/devel/ncurses/patches/patch-ncurses_tinfo_captoinfo.c?rev=1.1&content-type=text/x-cvsweb-markup
    http://seclists.org/fulldisclosure/2022/Oct/28
    http://seclists.org/fulldisclosure/2022/Oct/41
    http://seclists.org/fulldisclosure/2022/Oct/43
    http://seclists.org/fulldisclosure/2022/Oct/45
    https://lists.debian.org/debian-lts-announce/2023/12/msg00004.html
    https://lists.gnu.org/archive/html/bug-ncurses/2020-08/msg00006.html
    https://lists.gnu.org/archive/html/bug-ncurses/2021-10/msg00023.html
    https://security.netapp.com/advisory/ntap-20230427-0012/
    https://support.apple.com/kb/HT213443
    https://support.apple.com/kb/HT213444
    https://support.apple.com/kb/HT213488

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High