Emacs: shell injection vulnerability in gnu emacs via custom "man" uri scheme

8.8 CVSS

Vulnerability Description

A command injection flaw was found in the text editor Emacs. It could allow a remote, unauthenticated attacker to execute arbitrary shell commands on a vulnerable system. Exploitation is possible by tricking users into visiting a specially crafted website or an HTTP URL with a redirect.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Red Hat would like to thank Vasilij Schneidermann (CODE WHITE) for reporting this issue.

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Affected Vendor

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Affected Software

Red Hat Enterprise Linux 7 Extended Lifecycle Support, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Telecommunications Update Service, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat Enterprise Linux 9.4 Extended Update Support, Builds for Red Hat OpenShift 1.3.2, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6

Vulnerable Versions:

0, 1:24.3-23.el7_9.2, 1:26.1-13.el8_10, 1:26.1-5.el8_2.3, 1:26.1-5.el8_4.3, 1:26.1-7.el8_6.6, 1:26.1-10.el8_8.7, 1:27.2-11.el9_5.1, 1:27.2-6.el9_0.2, 1:27.2-8.el9_2.2, 1:27.2-10.el9_4.1, 1.3.1-1741784043