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Improper Verification of Cryptographic Signature Affecting thunderbird package, versions <1:68.2.1-1

0.0
high

Snyk CVSS

    Attack Complexity Low
    Integrity High

    Threat Intelligence

    EPSS 0.64% (79th percentile)
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NVD
7.5 high
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Red Hat
7.5 high
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SUSE
7.5 high

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  • Snyk ID SNYK-DEBIANUNSTABLE-THUNDERBIRD-469439
  • published 29 Sep 2019
  • disclosed 27 Sep 2019
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Introduced: 27 Sep 2019

CVE-2019-11755 Open this link in a new tab
CWE-347 Open this link in a new tab

How to fix?

Upgrade Debian:unstable thunderbird to version 1:68.2.1-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

A crafted S/MIME message consisting of an inner encryption layer and an outer SignedData layer was shown as having a valid digital signature, although the signer might have had no access to the contents of the encrypted message, and might have stripped a different signature from the encrypted message. Previous versions had only suppressed showing a digital signature for messages with an outer multipart/signed layer. This vulnerability affects Thunderbird < 68.1.1.