USN-6015-1: Thunderbird vulnerabilities

Releases

• Ubuntu 22.10
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM

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-2023-1945, CVE-2023-29548,
CVE-2023-29550)

Paul Menzel discovered that Thunderbird did not properly validate OCSP
revocation status of recipient certificates when sending S/Mime encrypted
email. An attacker could potentially exploits this issue to perform
spoofing attack. (CVE-2023-0547)

Ribose RNP Team discovered that Thunderbird did not properly manage memory
when parsing certain OpenPGP messages. An attacker could potentially
exploits this issue to cause a denial of service. (CVE-2023-29479)

Irvan Kurniawan discovered that Thunderbird did not properly manage
fullscreen notifications using a combination of window.open, fullscreen
requests, window.name assignments, and setInterval calls. An attacker could
potentially exploit this issue to perform spoofing attacks.
(CVE-2023-29533)

Lukas Bernhard discovered that Thunderbird did not properly manage memory
when doing Garbage Collector compaction. An attacker could potentially
exploits this issue to cause a denial of service. (CVE-2023-29535)

Zx from qriousec discovered that Thunderbird did not properly validate the
address to free a pointer provided to the memory manager. An attacker could
potentially exploits this issue to cause a denial of service.
(CVE-2023-29536)

Trung Pham discovered that Thunderbird did not properly validate the
filename directive in the Content-Disposition header. An attacker could
possibly exploit this to perform reflected file download attacks
potentially tricking users to install malware. (CVE-2023-29539)

Ameen Basha M K discovered that Thunderbird did not properly validate
downloads of files ending in .desktop. An attacker could potentially
exploits this issue to execute arbitrary code. (CVE-2023-29541)

Update instructions

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

Ubuntu 22.10

• thunderbird - 1:102.10.0+build2-0ubuntu0.22.10.1

Ubuntu 22.04

• thunderbird - 1:102.10.0+build2-0ubuntu0.22.04.1

Ubuntu 20.04

• thunderbird - 1:102.10.0+build2-0ubuntu0.20.04.1

Ubuntu 18.04

• thunderbird - 1:102.10.0+build2-0ubuntu0.18.04.1

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

References

• CVE-2023-29535
• CVE-2023-29479
• CVE-2023-29548
• CVE-2023-29536
• CVE-2023-1945
• CVE-2023-29533
• CVE-2023-29550
• CVE-2023-29541
• CVE-2023-0547
• CVE-2023-29539

Related notices

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