CVE-2023-29533: Medium severity Mozilla Thunderbird vulnerability
A website could have obscured the fullscreen notification by using a combination of <code>window.open</code>, fullscreen requests, <code>window.name</code> assignments, and <code>setInterval</code> calls. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.
Other sources
A website could have obscured the fullscreen notification by using a combination of window.open, fullscreen requests, window.name assignments, and setInterval calls. This could have led to user confusion and possible spoofing attacks.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/firefoxto a version that resolves this vulnerability.Fixed in 131.0-1 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 115.14.0esr-1~deb11u1Fixed in 128.3.0esr-1~deb11u2Fixed in 115.14.0esr-1~deb12u1Fixed in 128.3.0esr-1~deb12u1Fixed in 115.15.0esr-1Fixed in 128.3.0esr-2 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:115.12.0-1~deb11u1Fixed in 1:115.15.0-1~deb11u1Fixed in 1:115.12.0-1~deb12u1Fixed in 1:115.15.0-1~deb12u1Fixed in 1:128.2.0esr-1Fixed in 1:128.3.0esr-1 - Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 102.10 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 102.10 - Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 112 - Upgrade
Upgrade
Firefox Focus for Androidto a version that resolves this vulnerability.Fixed in 112 - Upgrade
Upgrade
Firefox for Androidto a version that resolves this vulnerability.Fixed in 112
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2023-29531
- CVE-2023-29532
- CVE-2023-29533
- CVE-2023-1999
- CVE-2023-29535
- CVE-2023-29536
- CVE-2023-0547
- CVE-2023-29479
- CVE-2023-29539
- CVE-2023-29541
- CVE-2023-29542
- CVE-2023-29545
- CVE-2023-1945
- CVE-2023-29548
- CVE-2023-29550
- CVE-2023-29534
- CVE-2023-29537
- CVE-2023-29538
- CVE-2023-29540
- CVE-2023-29543
- CVE-2023-29544
- CVE-2023-29546
- CVE-2023-29547
- CVE-2023-29549
- CVE-2023-29551
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2023-29533.
What is the severity level of CVE-2023-29533?
The severity level of CVE-2023-29533 is high.
Which software is affected by CVE-2023-29533?
CVE-2023-29533 affects Mozilla Thunderbird, Firefox, Firefox ESR, and Google Android.
How can CVE-2023-29533 be exploited?
CVE-2023-29533 can be exploited by obscuring the fullscreen notification using window.open, fullscreen requests, window.name assignments, and setInterval calls.
Where can I find more information about CVE-2023-29533?
You can find more information about CVE-2023-29533 on the Mozilla Bugzilla and Mozilla Security Advisories websites.