CVE-2023-5732: Address bar spoofing via bidirectional characters

Published Aug 29, 2023
·
Updated

An attacker could have created a malicious link using bidirectional characters to spoof the location in the address bar when visited.

Affected Software

12 affected componentsFixes available
redhat/firefox<115.4
115.4
redhat/thunderbird<115.4.1
115.4.1
debian/firefox-esr
115.14.0esr-1~deb11u1115.15.0esr-1~deb11u1115.14.0esr-1~deb12u1115.15.0esr-1~deb12u1115.15.0esr-1
debian/thunderbird
1:115.12.0-1~deb11u11:115.15.0-1~deb11u11:115.12.0-1~deb12u11:115.15.0-1~deb12u11:128.1.1esr-11:128.2.0esr-1
Mozilla Thunderbird<115.4.1
115.4.1
Mozilla Firefox<117
117
Mozilla Firefox ESR<115.4
115.4
Mozilla Firefox<117.0
Mozilla Firefox ESR<115.4.1
Mozilla Thunderbird<115.4.1
Debian Debian Linux=10.0
Debian Debian Linux=11.0

Event History

Aug 29, 2023
CVE Published
via Mozilla·12:00 AM
Oct 24, 2023
CVE Published
via MITRE·12:47 PM
Data Sourced
via MITRE·12:47 PM
Description
Jan 12, 2024
Data Sourced
via Launchpad·12:28 AM
Description
Sep 16, 2024
Data Sourced
via Ubuntu·02:17 AM
RemedyDescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2023-5732?

CVE-2023-5732 is a vulnerability that allows an attacker to create a malicious link using bidirectional characters to spoof the location in the address bar.

2

What software is affected by CVE-2023-5732?

Mozilla Firefox ESR version up to 115.4 is affected by CVE-2023-5732.

3

How severe is CVE-2023-5732?

CVE-2023-5732 has a severity level of medium.

4

How can I fix CVE-2023-5732?

To fix CVE-2023-5732, update Mozilla Firefox ESR to version 115.4 or later.

5

Where can I find more information about CVE-2023-5732?

For more information about CVE-2023-5732, you can refer to the following references: [Bugzilla](https://bugzilla.mozilla.org/show_bug.cgi?id=1690979) and [Mozilla Security Advisories](https://www.mozilla.org/en-US/security/advisories/mfsa2023-46/).

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