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CVE-2023-50761

Status Candidate

Overview

The signature of a digitally signed S/MIME email message may optionally specify the signature creation date and time. If present, Thunderbird did not compare the signature creation date with the message date and time, and displayed a valid signature despite a date or time mismatch. This could be used to give recipients the impression that a message was sent at a different date or time. This vulnerability affects Thunderbird < 115.6.

Related Files

Ubuntu Security Notice USN-6563-1
Posted Jan 2, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6563-1 - 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. Marcus Brinkmann discovered that Thunderbird did not properly parse a PGP/MIME payload that contains digitally signed text. An attacker could potentially exploit this issue to spoof an email message.

tags | advisory, denial of service, arbitrary, spoof
systems | linux, ubuntu
advisories | CVE-2023-50761, CVE-2023-50762, CVE-2023-6856, CVE-2023-6858, CVE-2023-6859, CVE-2023-6860, CVE-2023-6861, CVE-2023-6862
SHA-256 | e4db07847539dbbc6ea2de8030758116eeabaa195c34555d719a465328711716
Debian Security Advisory 5582-1
Posted Dec 22, 2023
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5582-1 - Multiple security issues were discovered in Thunderbird, which could result in denial of service, the execution of arbitrary code or spoofing of signed PGP/MIME and SMIME emails.

tags | advisory, denial of service, arbitrary, spoof
systems | linux, debian
advisories | CVE-2023-50761, CVE-2023-50762, CVE-2023-6856, CVE-2023-6857, CVE-2023-6858, CVE-2023-6859, CVE-2023-6860, CVE-2023-6861, CVE-2023-6862, CVE-2023-6864, CVE-2023-6873
SHA-256 | b3f70726ef2fae015527060cb4b5e5d13980592e40aae2e78d1c509408fdb9b4
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