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redhatRedHatRHSA-2023:2626
HistoryMay 09, 2023 - 10:14 a.m.

(RHSA-2023:2626) Important: emacs security update

2023-05-0910:14:01
access.redhat.com
30
gnu emacs
security update
command execution
command injection
vulnerabilities
cve-2023-2491
cve-2022-48337
cve-2022-48338
cve-2022-48339
red hat enterprise linux

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.4

Confidence

Low

EPSS

0.004

Percentile

74.9%

GNU Emacs is a powerful, customizable, self-documenting text editor. It provides special code editing features, a scripting language (elisp), and the capability to read e-mail and news.

Security Fix(es):

  • emacs: Regression of CVE-2023-28617 fixes in the Red Hat Enterprise Linux (CVE-2023-2491)

  • emacs: command execution via shell metacharacters (CVE-2022-48337)

  • emacs: local command injection in ruby-mode.el (CVE-2022-48338)

  • emacs: command injection vulnerability in htmlfontify.el (CVE-2022-48339)

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.

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.4

Confidence

Low

EPSS

0.004

Percentile

74.9%