USN-6840-1: Thunderbird vulnerabilities

Releases

• Ubuntu 23.10
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS

Packages

• thunderbird - Mozilla Open Source mail and newsgroup client

Details

Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context, an
attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, bypass security restrictions, cross-site
tracing, or execute arbitrary code.(CVE-2024-5688, CVE-2024-5690,
CVE-2024-5696, CVE-2024-5700, CVE-2024-5702)

Luan Herrera discovered that Thunderbird did not properly validate the
X-Frame-Options header inside sandboxed iframe. An attacker could
potentially exploit this issue to bypass sandbox restrictions to open a new
window. (CVE-2024-5691)

Kirtikumar Anandrao Ramchandani discovered that Thunderbird did not properly
track cross-origin tainting in Offscreen Canvas. An attacker could
potentially exploit this issue to access image data from another site in
violation of same-origin policy. (CVE-2024-5693)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 23.10

• thunderbird - 1:115.12.0+build3-0ubuntu0.23.10.1

Ubuntu 22.04

• thunderbird - 1:115.12.0+build3-0ubuntu0.22.04.1

Ubuntu 20.04

• thunderbird - 1:115.12.0+build3-0ubuntu0.20.04.1

In general, a standard system update will make all the necessary changes.

References

• CVE-2024-5688
• CVE-2024-5690
• CVE-2024-5702
• CVE-2024-5700
• CVE-2024-5696
• CVE-2024-5693
• CVE-2024-5691

Related notices

• USN-6862-1