USN-6015-1: Thunderbird vulnerabilities
13 April 2023
Several security issues were fixed in Thunderbird.
Releases
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
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04
In general, a standard system update will make all the necessary changes.