VulnerabilityModified
CVE-2021-39537
An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.
HIGH 8.8EPSS 3.23%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 3.23% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- invisible-island/ncurses · apple/mac os x · apple/macos
- Source
- cve@mitre.org
References
- http://cvsweb.netbsd.org/bsdweb.cgi/pkgsrc/devel/ncurses/patches/patch-ncurses_tinfo_captoinfo.c?rev=1.1&content-type=text/x-cvsweb-markupPatch, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/Oct/28Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/Oct/41Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/Oct/43Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/Oct/45Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/12/msg00004.html
- https://lists.gnu.org/archive/html/bug-ncurses/2020-08/msg00006.htmlExploit, Mailing List, Vendor Advisory
- https://lists.gnu.org/archive/html/bug-ncurses/2021-10/msg00023.htmlMailing List, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20230427-0012/
- https://support.apple.com/kb/HT213443Third Party Advisory
- https://support.apple.com/kb/HT213444Third Party Advisory
- https://support.apple.com/kb/HT213488Third Party Advisory
- http://cvsweb.netbsd.org/bsdweb.cgi/pkgsrc/devel/ncurses/patches/patch-ncurses_tinfo_captoinfo.c?rev=1.1&content-type=text/x-cvsweb-markupPatch, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/Oct/28Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/Oct/41Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/Oct/43Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/Oct/45Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/12/msg00004.html
- https://lists.gnu.org/archive/html/bug-ncurses/2020-08/msg00006.htmlExploit, Mailing List, Vendor Advisory
- https://lists.gnu.org/archive/html/bug-ncurses/2021-10/msg00023.htmlMailing List, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20230427-0012/
- https://support.apple.com/kb/HT213443Third Party Advisory
- https://support.apple.com/kb/HT213444Third Party Advisory
- https://support.apple.com/kb/HT213488Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.