Bypassing Restrictions Vulnerability Affects Firefox < 127 and Firefox ESR < 115.12
CVE-2024-5691

4.7MEDIUM

Key Information:

Vendor

Mozilla
Status
Firefox
Firefox Esr
Thunderbird
Vendor
CVE Published:
11 June 2024

What is CVE-2024-5691?

By tricking the browser with a X-Frame-Options header, a sandboxed iframe could have presented a button that, if clicked by a user, would bypass restrictions to open a new window. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.

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Affected Version(s)

Firefox < 127

Firefox ESR < 115.12

Thunderbird < 115.12

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1888695
https://lists.debian.org/debian-lts-announce/2024/06/msg0...
https://lists.debian.org/debian-lts-announce/2024/06/msg0...

CVSS V3.1

Score:
4.7
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Luan Herrera
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