GNU Emacs on Red Hat command injection

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in GNU Emacs on Red Hat. This impacts an unknown function. This manipulation causes command injection. This vulnerability is registered as CVE-2023-2491. The attack needs to be launched locally. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in GNU Emacs on Red Hat (Word Processing Software) (affected version not known) and classified as critical. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was published 05/18/2023 as RHSA-2023:2626. It is possible to read the advisory at access.redhat.com. This vulnerability is known as CVE-2023-2491 since 05/03/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 276254 (TencentOS Server 3: emacs (TSSA-2023:0098)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at Tenable (276254) and EUVD (EUVD-2023-33975). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 276254
Nessus Name: TencentOS Server 3: emacs (TSSA-2023:0098)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/03/2023 🔍
05/18/2023 +15 days 🔍
05/18/2023 +0 days 🔍
12/18/2025 +945 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: RHSA-2023:2626
Status: Confirmed

CVE: CVE-2023-2491 (🔍)
GCVE (CVE): GCVE-0-2023-2491
GCVE (VulDB): GCVE-100-229315
EUVD: 🔍

Entryinfo

Created: 05/18/2023 09:16
Updated: 12/18/2025 21:27
Changes: 05/18/2023 09:16 (40), 06/10/2023 14:36 (11), 01/22/2025 21:18 (26), 11/24/2025 05:37 (2), 12/18/2025 21:27 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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