rhsa-2023_2626
Vulnerability from csaf_redhat
Published
2023-05-09 11:16
Modified
2024-11-22 22:39
Summary
Red Hat Security Advisory: emacs security update
Notes
Topic
An update for emacs is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
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.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for emacs is now available for Red Hat Enterprise Linux 9.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "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.\n\nSecurity Fix(es):\n\n* emacs: Regression of CVE-2023-28617 fixes in the Red Hat Enterprise Linux (CVE-2023-2491)\n\n* emacs: command execution via shell metacharacters (CVE-2022-48337)\n\n* emacs: local command injection in ruby-mode.el (CVE-2022-48338)\n\n* emacs: command injection vulnerability in htmlfontify.el (CVE-2022-48339)\n\nFor 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.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2023:2626", "url": "https://access.redhat.com/errata/RHSA-2023:2626" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "2171987", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2171987" }, { "category": "external", "summary": "2171988", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2171988" }, { "category": "external", "summary": "2171989", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2171989" }, { "category": "external", "summary": "2192873", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2192873" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_2626.json" } ], "title": "Red Hat Security Advisory: emacs security update", "tracking": { "current_release_date": "2024-11-22T22:39:49+00:00", "generator": { "date": "2024-11-22T22:39:49+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2023:2626", "initial_release_date": "2023-05-09T11:16:54+00:00", "revision_history": [ { "date": "2023-05-09T11:16:54+00:00", "number": "1", "summary": "Initial version" }, { "date": "2023-05-09T11:16:54+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-22T22:39:49+00:00", 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This flaw allows attackers to execute commands via shell metacharacters in the name of a source-code file.", "title": "Vulnerability description" }, { "category": "summary", "text": "emacs: command execution via shell metacharacters", "title": "Vulnerability summary" }, { "category": "other", "text": "This vulnerability is only triggered when a local user introduces untrusted input, via a file with a crafted name. 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"title": "emacs: local command injection in ruby-mode.el" }, { "cve": "CVE-2022-48339", "cwe": { "id": "CWE-77", "name": "Improper Neutralization of Special Elements used in a Command (\u0027Command Injection\u0027)" }, "discovery_date": "2023-02-21T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2171989" } ], "notes": [ { "category": "description", "text": "A flaw was found in the Emacs package. If a file name or directory name contains shell metacharacters, arbitrary code may be executed.", "title": "Vulnerability description" }, { "category": "summary", "text": "emacs: command injection vulnerability in htmlfontify.el", "title": "Vulnerability summary" }, { "category": "other", "text": "This vulnerability is only triggered when a local user introduces untrusted input, via a file or directory with a crafted name. For this reason, this flaw has been rated with a Moderate security impact.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-9.2.0.Z.MAIN.EUS:emacs-1:27.2-8.el9_2.1.aarch64", "AppStream-9.2.0.Z.MAIN.EUS:emacs-1:27.2-8.el9_2.1.ppc64le", "AppStream-9.2.0.Z.MAIN.EUS:emacs-1:27.2-8.el9_2.1.s390x", "AppStream-9.2.0.Z.MAIN.EUS:emacs-1:27.2-8.el9_2.1.src", "AppStream-9.2.0.Z.MAIN.EUS:emacs-1:27.2-8.el9_2.1.x86_64", "AppStream-9.2.0.Z.MAIN.EUS:emacs-common-1:27.2-8.el9_2.1.aarch64", "AppStream-9.2.0.Z.MAIN.EUS:emacs-common-1:27.2-8.el9_2.1.ppc64le", "AppStream-9.2.0.Z.MAIN.EUS:emacs-common-1:27.2-8.el9_2.1.s390x", "AppStream-9.2.0.Z.MAIN.EUS:emacs-common-1:27.2-8.el9_2.1.x86_64", 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"title": "emacs: command injection vulnerability in htmlfontify.el" }, { "cve": "CVE-2023-2491", "cwe": { "id": "CWE-77", "name": "Improper Neutralization of Special Elements used in a Command (\u0027Command Injection\u0027)" }, "discovery_date": "2023-05-03T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2192873" } ], "notes": [ { "category": "description", "text": "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.", "title": "Vulnerability description" }, { "category": "summary", "text": "emacs: Regression of CVE-2023-28617 fixes in the Red Hat Enterprise Linux", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue only affects Red Hat Enterprise Linux 8.8 and Red Hat Enterprise Linux 9.2, which introduced this regression via the following errata:\n\nhttps://access.redhat.com/errata/RHSA-2023:3042 (Red Hat Enterprise Linux 8.8)\nhttps://access.redhat.com/errata/RHSA-2023:2366 (Red Hat Enterprise Linux 9.2)\n\nThese errata provided updates for emacs package, but did not include fixes for CVE-2023-28617.\n\nA user who installs or updates to Red Hat Enterprise Linux 8.8 or Red Hat Enterprise Linux 9.2 would be vulnerable to the CVE-2023-28617, even if they were properly fixed in Red Hat Enterprise Linux 8.7 and in Red Hat Enterprise Linux 9.1. The CVE-2023-2491 was assigned to that Red Hat specific security regression and it is not applicable to any upstream emacs version or emacs packages of any other vendor that are not directly based on Red Hat Enterprise Linux packages.\n\nFor more details about the original security issue CVE-2023-28617, refer to the CVE page: https://access.redhat.com/security/cve/CVE-2023-28617.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-9.2.0.Z.MAIN.EUS:emacs-1:27.2-8.el9_2.1.aarch64", "AppStream-9.2.0.Z.MAIN.EUS:emacs-1:27.2-8.el9_2.1.ppc64le", "AppStream-9.2.0.Z.MAIN.EUS:emacs-1:27.2-8.el9_2.1.s390x", "AppStream-9.2.0.Z.MAIN.EUS:emacs-1:27.2-8.el9_2.1.src", 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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.