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ubuntucveUbuntu.comUB:CVE-2023-50495
HistoryDec 12, 2023 - 12:00 a.m.

CVE-2023-50495

2023-12-1200:00:00
ubuntu.com
ubuntu.com
17
ncurse
segmentation fault
_nc_wrap_entry
low impact

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.7 High

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

19.2%

JSON

NCurse v6.4-20230418 was discovered to contain a segmentation fault via the
component _nc_wrap_entry().

Notes

Author Note
Priority reason: no security impact as terminfo files are trusted
mdeslaur This is in the code that parses terminfo database files. terminfo files are normally trusted, and since the fix for CVE-2023-29491, we no longer parse terminfo files when apps are setuid. As such, this doesn’t really have a security impact. Setting priority to low.
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchncurses< 6.1-1ubuntu1.18.04.1+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.04noarchncurses< anyUNKNOWN
ubuntu22.04noarchncurses< anyUNKNOWN
ubuntu14.04noarchncurses< 5.9+20140118-1ubuntu1+esm5) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchncurses< 6.0+20160213-1ubuntu1+esm5) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN

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6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.7 High

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

19.2%

JSON
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