CVE-2019-11755

EPSS 1.1%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 1.1%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

27 Sep 2019Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

Mozilla · Thunderbird

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References

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html https://bugzilla.mozilla.org/show_bug.cgi?id=1240290 https://lists.debian.org/debian-lts-announce/2019/11/msg00017.html https://seclists.org/bugtraq/2019/Nov/24 https://usn.ubuntu.com/4202-1/https://usn.ubuntu.com/4335-1/https://www.debian.org/security/2019/dsa-4571 https://www.mozilla.org/security/advisories/mfsa2019-32/