![]() ![]() This could have led to cross-origin account linking in violation of WebAuthn goals. #CVE-2022-31742: Querying a WebAuthn token with a large number of allowCredential entries may have leaked cross-origin information Reporter Michal Impact moderate DescriptionĪn attacker could have exploited a timing attack by sending a large number of allowCredential entries and detecting the difference between invalid key handles and cross-origin key handles. Because Thunderbird compared the invisible sender address with the signature's email address, if the signing key or certificate was accepted by Thunderbird, the email was shown as having a valid digital signature. ![]() If the sender name started with a false email address, followed by many Braille space characters, the attacker's email address was not visible. ![]() This could have been used by an attacker to send an email message with the attacker's digital signature, that was shown with an arbitrary sender email address chosen by the attacker. When displaying the sender of an email, and the sender name contained the Braille Pattern Blank space character multiple times, Thunderbird would have displayed all the spaces. #CVE-2022-1834: Braille space character caused incorrect sender email to be shown for a digitally signed email Reporter Jonathan von Niessen Impact high Description #CVE-2022-31741: Uninitialized variable leads to invalid memory read Reporter Cybeats PSI Team Impact high DescriptionĪ crafted CMS message could have been processed incorrectly, leading to an invalid memory read, and potentially further memory corruption. On arm64, WASM code could have resulted in incorrect assembly generation leading to a register allocation problem, and a potentially exploitable crash. #CVE-2022-31740: Register allocation problem in WASM on arm64 Reporter Gary Kwong Impact high Description This bug only affects Thunderbird for Windows. When downloading files on Windows, the % character was not escaped, which could have lead to a download incorrectly being saved to attacker-influenced paths that used variables such as %HOMEPATH% or %APPDATA%. #CVE-2022-31739: Attacker-influenced path traversal when saving downloaded files Reporter Chaobin Zhang Impact high Description When exiting fullscreen mode, an iframe could have confused the browser about the current state of fullscreen, resulting in potential user confusion or spoofing attacks. #CVE-2022-31738: Browser window spoof using fullscreen mode Reporter Irvan Kurniawan Impact high Description ![]() #CVE-2022-31737: Heap buffer overflow in WebGL Reporter Atte Kettunen Impact high DescriptionĪ malicious webpage could have caused an out-of-bounds write in WebGL, leading to memory corruption and a potentially exploitable crash. #CVE-2022-31736: Cross-Origin resource's length leaked Reporter Luan Herrera Impact high DescriptionĪ malicious website could have learned the size of a cross-origin resource that supported Range requests. In general, these flaws cannot be exploited through email in the Thunderbird product because scripting is disabled when reading mail, but are potentially risks in browser or browser-like contexts. Mozilla Foundation Security Advisory 2022-22 Security Vulnerabilities fixed in Thunderbird 91.10 Announced Impact high Products Thunderbird Fixed in ![]()
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