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osvGoogleOSV:RLSA-2023:3725
HistoryAug 31, 2023 - 4:55 p.m.

Moderate: less security update

2023-08-3116:55:39
Google
osv.dev
10
less utility
text file browser
security fix
cve-2022-46663
ansi escape sequences

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7 High

AI Score

Confidence

Low

0.002 Low

EPSS

Percentile

54.2%

The “less” utility is a text file browser that resembles “more”, but allows users to move backwards in the file as well as forwards. Since “less” does not read the entire input file at startup, it also starts more quickly than ordinary text editors.

Security Fix(es):

  • less: crafted data can result in “less -R” not filtering ANSI escape sequences sent to the terminal (CVE-2022-46663)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7 High

AI Score

Confidence

Low

0.002 Low

EPSS

Percentile

54.2%