The version of emacs installed on the remote host is prior to 27.2-4. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2023-1981 advisory.

    GNU Emacs through 28.2 allows attackers to execute commands via shell metacharacters in the name of a     source-code file, because lib-src/etags.c uses the system C library function in its implementation of the     etags program. For example, a victim may use the etags -u * command (suggested in the etags     documentation) in a situation where the current working directory has contents that depend on untrusted     input. (CVE-2022-48337)

    An issue was discovered in GNU Emacs through 28.2. In ruby-mode.el, the ruby-find-library-file function     has a local command injection vulnerability. The ruby-find-library-file function is an interactive     function, and bound to C-c C-f. Inside the function, the external command gem is called through shell-     command-to-string, but the feature-name parameters are not escaped. Thus, malicious Ruby source files may     cause commands to be executed. (CVE-2022-48338)

    An issue was discovered in GNU Emacs through 28.2. htmlfontify.el has a command injection vulnerability.
    In the hfy-istext-command function, the parameter file and parameter srcdir come from external input, and     parameters are not escaped. If a file name or directory name contains shell metacharacters, code may be     executed. (CVE-2022-48339)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the emacs package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - GNU Emacs through 28.2 allows attackers to execute commands via shell metacharacters in the name of a     source-code file, because lib-src/etags.c uses the system C library function in its implementation of the     ctags program. For example, a victim may use the 'ctags *' command (suggested in the ctags documentation)     in a situation where the current working directory has contents that depend on untrusted input.
    (CVE-2022-45939)

  - GNU Emacs through 28.2 allows attackers to execute commands via shell metacharacters in the name of a     source-code file, because lib-src/etags.c uses the system C library function in its implementation of the     etags program. For example, a victim may use the 'etags -u *' command (suggested in the etags     documentation) in a situation where the current working directory has contents that depend on untrusted     input. (CVE-2022-48337)

  - An issue was discovered in GNU Emacs through 28.2. In ruby-mode.el, the ruby-find-library-file function     has a local command injection vulnerability. The ruby-find-library-file function is an interactive     function, and bound to C-c C-f. Inside the function, the external command gem is called through shell-     command-to-string, but the feature-name parameters are not escaped. Thus, malicious Ruby source files may     cause commands to be executed. (CVE-2022-48338)

  - An issue was discovered in GNU Emacs through 28.2. htmlfontify.el has a command injection vulnerability.
    In the hfy-istext-command function, the parameter file and parameter srcdir come from external input, and     parameters are not escaped. If a file name or directory name contains shell metacharacters, code may be     executed. (CVE-2022-48339)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the emacs package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - GNU Emacs through 28.2 allows attackers to execute commands via shell metacharacters in the name of a     source-code file, because lib-src/etags.c uses the system C library function in its implementation of the     etags program. For example, a victim may use the 'etags -u *' command (suggested in the etags     documentation) in a situation where the current working directory has contents that depend on untrusted     input. (CVE-2022-48337)

  - An issue was discovered in GNU Emacs through 28.2. In ruby-mode.el, the ruby-find-library-file function     has a local command injection vulnerability. The ruby-find-library-file function is an interactive     function, and bound to C-c C-f. Inside the function, the external command gem is called through shell-     command-to-string, but the feature-name parameters are not escaped. Thus, malicious Ruby source files may     cause commands to be executed. (CVE-2022-48338)

  - An issue was discovered in GNU Emacs through 28.2. htmlfontify.el has a command injection vulnerability.
    In the hfy-istext-command function, the parameter file and parameter srcdir come from external input, and     parameters are not escaped. If a file name or directory name contains shell metacharacters, code may be     executed. (CVE-2022-48339)

  - org-babel-execute:latex in ob-latex.el in Org Mode through 9.6.1 for GNU Emacs allows attackers to execute     arbitrary commands via a file name or directory name that contains shell metacharacters. (CVE-2023-28617)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-6067:07 advisory.

    * emacs: Regression of CVE-2023-28617 fixes in the MIRACLE 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)

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

An update of the emacs package has been released.

The remote host is affected by the vulnerability described in GLSA-202407-08 (GNU Emacs, Org Mode: Multiple Vulnerabilities)

    Multiple vulnerabilities have been discovered in GNU Emacs. Please review the CVE identifiers referenced     below for details.

Tenable has extracted the preceding description block directly from the Gentoo Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5360 advisory.

    Xi Lu discovered that missing input sanitising in Emacs (in etags, the Ruby mode and htmlfontify) could     result in the execution of arbitrary shell commands. For the stable distribution (bullseye), these     problems have been fixed in version 1:27.1+1-3.1+deb11u2. We recommend that you upgrade your emacs     packages. For the detailed security status of emacs please refer to its security tracker page at:
    https://security-tracker.debian.org/tracker/emacs

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2023:2626 advisory.

  - GNU Emacs through 28.2 allows attackers to execute commands via shell metacharacters in the name of a     source-code file, because lib-src/etags.c uses the system C library function in its implementation of the     etags program. For example, a victim may use the etags -u * command (suggested in the etags     documentation) in a situation where the current working directory has contents that depend on untrusted     input. (CVE-2022-48337)

  - An issue was discovered in GNU Emacs through 28.2. In ruby-mode.el, the ruby-find-library-file function     has a local command injection vulnerability. The ruby-find-library-file function is an interactive     function, and bound to C-c C-f. Inside the function, the external command gem is called through shell-     command-to-string, but the feature-name parameters are not escaped. Thus, malicious Ruby source files may     cause commands to be executed. (CVE-2022-48338)

  - An issue was discovered in GNU Emacs through 28.2. htmlfontify.el has a command injection vulnerability.
    In the hfy-istext-command function, the parameter file and parameter srcdir come from external input, and     parameters are not escaped. If a file name or directory name contains shell metacharacters, code may be     executed. (CVE-2022-48339)

  - A flaw was found in the Emacs text editor. Processing a specially crafted org-mode code with the org-     babel-execute:latex function in ob-latex.el can result in arbitrary command execution. This CVE exists     because of a CVE-2023-28617 security regression for the emacs package in Red Hat Enterprise Linux 8.8 and     Red Hat Enterprise Linux 9.2. (CVE-2023-2491)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-2626 advisory.

    [1:27.2-8.1]
    - Fix etags local command injection vulnerability (#2184369)
    - Fix htmlfontify.el command injection vulnerability (#2184368)
    - Fix ruby-mode.el local command injection vulnerability (#2184367)
    - Fix ob-latex.el command injection vulnerability (#2184377)

    [1:27.2-8]
    - Use a 64KB page size for pdump (#1979804)

    [1:27.2-7]
    - Fix ctags local command execute vulnerability (#2149387)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the emacs package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - GNU Emacs through 28.2 allows attackers to execute commands via shell metacharacters in the name of a     source-code file, because lib-src/etags.c uses the system C library function in its implementation of the     etags program. For example, a victim may use the 'etags -u *' command (suggested in the etags     documentation) in a situation where the current working directory has contents that depend on untrusted     input. (CVE-2022-48337)

  - An issue was discovered in GNU Emacs through 28.2. In ruby-mode.el, the ruby-find-library-file function     has a local command injection vulnerability. The ruby-find-library-file function is an interactive     function, and bound to C-c C-f. Inside the function, the external command gem is called through shell-     command-to-string, but the feature-name parameters are not escaped. Thus, malicious Ruby source files may     cause commands to be executed. (CVE-2022-48338)

  - An issue was discovered in GNU Emacs through 28.2. htmlfontify.el has a command injection vulnerability.
    In the hfy-istext-command function, the parameter file and parameter srcdir come from external input, and     parameters are not escaped. If a file name or directory name contains shell metacharacters, code may be     executed. (CVE-2022-48339)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-5763445abe advisory.

    Upgrade to version 28.3-rc1, fixing CVE-2022-48337, CVE-2022-48338, CVE-2022-48339.

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
172158	Amazon Linux 2 : emacs (ALAS-2023-1981)	Nessus	Amazon Linux Local Security Checks	3/7/2023	12/11/2024	critical
176818	EulerOS Virtualization 2.11.0 : emacs (EulerOS-SA-2023-2120)	Nessus	Huawei Local Security Checks	6/7/2023	6/7/2023	critical
179019	EulerOS Virtualization 2.10.0 : emacs (EulerOS-SA-2023-2486)	Nessus	Huawei Local Security Checks	7/28/2023	7/28/2023	critical
292019	MiracleLinux 9 : emacs-27.2-8.el9.1 (AXSA:2023-6067:07)	Nessus	Miracle Linux Local Security Checks	1/20/2026	1/20/2026	critical
332342	Photon OS 5.0: Emacs PHSA-2023-5.0-91-0010	Nessus	PhotonOS Local Security Checks	8/5/2026	8/5/2026	critical
201186	GLSA-202407-08 : GNU Emacs, Org Mode: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	7/1/2024	7/1/2024	critical
171900	Debian DSA-5360-1 : emacs - security update	Nessus	Debian Local Security Checks	2/24/2023	1/24/2025	critical
175659	AlmaLinux 9 : emacs (ALSA-2023:2626)	Nessus	Alma Linux Local Security Checks	5/14/2023	8/2/2023	critical
175711	Oracle Linux 9 : emacs (ELSA-2023-2626)	Nessus	Oracle Linux Local Security Checks	5/15/2023	10/24/2024	critical
176040	EulerOS 2.0 SP10 : emacs (EulerOS-SA-2023-1950)	Nessus	Huawei Local Security Checks	5/18/2023	5/18/2023	critical
182084	Fedora 38 : emacs (2023-5763445abe)	Nessus	Fedora Local Security Checks	9/28/2023	11/14/2024	critical

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