CVE-2021-39537

2021-09-2000:00:00

ubuntu.com

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.007 Low

EPSS

Percentile

80.2%

JSON

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

Notes

Author	Note
mdeslaur	read of size 1, DoS only

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchncurses< 6.1-1ubuntu1.18.04.1UNKNOWN
ubuntu20.04noarchncurses< 6.2-0ubuntu2.1UNKNOWN
ubuntu14.04noarchncurses< 5.9+20140118-1ubuntu1+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchncurses< 6.0+20160213-1ubuntu1+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	ncurses	< 6.1-1ubuntu1.18.04.1	UNKNOWN
ubuntu	20.04	noarch	ncurses	< 6.2-0ubuntu2.1	UNKNOWN
ubuntu	14.04	noarch	ncurses	< 5.9+20140118-1ubuntu1+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN
ubuntu	16.04	noarch	ncurses	< 6.0+20160213-1ubuntu1+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN