This archive contains proof of concepts and a whitepaper that describes multiple email client implementations where popular clients for email are vulnerable to signature spoofing attacks.
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Gentoo Linux Security Advisory 201904-7 - Multiple vulnerabilities have been found in Mozilla Thunderbird and Firefox, the worst of which could lead to the execution of arbitrary code. Versions less than 60.6.1 are affected.
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Ubuntu Security Notice 3897-1 - A use-after-free was discovered in libical. If a user were tricked in to opening a specially crafted ICS calendar file, an attacker could potentially exploit this to cause a denial of service. Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service, or execute arbitrary code. Various other issues were also addressed.
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Debian Linux Security Advisory 4392-1 - Multiple security issues have been found in the Thunderbird mail client, which could lead to the execution of arbitrary code, denial of service or spoofing of S/MIME signatures.
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