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     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)

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     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)

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 version of emacs installed on the remote host is prior to 29.3. It is, therefore, affected by a vulnerability as referenced in the SSA:2024-084-01 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     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)

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

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:1103 advisory.

    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: ctags local command execution vulnerability (CVE-2022-45939)

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

    * 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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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.

An update of the emacs package has been released.

The version of emacs installed on the remote host is prior to 24.3-20.25. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2023-1712 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     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. 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.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2022:4304-1 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     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)

Note that Nessus has not tested for this issue 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 a vulnerability as referenced in the ELSA-2023-2366 advisory.

    [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 this issue but has instead relied only on the application's self-reported version number.

The remote Fedora 36 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2022-e37f239f2e advisory.

    Update to Emacs 28.2

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

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

ID	Name	Product	Family	Published	Updated	Severity
172288	EulerOS 2.0 SP9 : emacs (EulerOS-SA-2023-1440)	Nessus	Huawei Local Security Checks	3/8/2023	3/8/2023	high
174865	EulerOS Virtualization 2.9.1 : emacs (EulerOS-SA-2023-1635)	Nessus	Huawei Local Security Checks	4/27/2023	4/27/2023	high
175777	EulerOS Virtualization 2.10.1 : emacs (EulerOS-SA-2023-1887)	Nessus	Huawei Local Security Checks	5/16/2023	5/16/2023	high
175793	EulerOS Virtualization 2.10.0 : emacs (EulerOS-SA-2023-1918)	Nessus	Huawei Local Security Checks	5/16/2023	5/16/2023	high
192518	Slackware Linux 15.0 / current emacs Vulnerability (SSA:2024-084-01)	Nessus	Slackware Local Security Checks	3/24/2024	3/24/2024	high
191575	RHEL 8 : emacs (RHSA-2024:1103)	Nessus	Red Hat Local Security Checks	3/5/2024	11/7/2024	critical
204227	Photon OS 5.0: Emacs PHSA-2023-5.0-0010	Nessus	PhotonOS Local Security Checks	7/24/2024	7/24/2024	critical
173940	Amazon Linux AMI : emacs (ALAS-2023-1712)	Nessus	Amazon Linux Local Security Checks	4/6/2023	12/11/2024	critical
168335	SUSE SLED15 / SLES15 Security Update : emacs (SUSE-SU-2022:4304-1)	Nessus	SuSE Local Security Checks	12/2/2022	7/14/2023	high
175712	Oracle Linux 9 : emacs (ELSA-2023-2366)	Nessus	Oracle Linux Local Security Checks	5/15/2023	10/24/2024	high
169833	Fedora 36 : emacs (2022-e37f239f2e)	Nessus	Fedora Local Security Checks	1/11/2023	11/14/2024	high

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