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HIGH · 7.5

CVE-2017-17847

An issue was discovered in Enigmail before 1.9.9. Signature spoofing is possible because the UI does not properly distinguish between an attachment signature, and a signature that applies to the entir...

Vulnerability Description

An issue was discovered in Enigmail before 1.9.9. Signature spoofing is possible because the UI does not properly distinguish between an attachment signature, and a signature that applies to the entire containing message, aka TBE-01-021. This is demonstrated by an e-mail message with an attachment that is a signed e-mail message in message/rfc822 format.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
EnigmailEnigmail< 1.9.9
DebianDebian Linux8.0

Related Weaknesses (CWE)

CWE-347

References

FAQ

What is CVE-2017-17847?

CVE-2017-17847 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in Enigmail before 1.9.9. Signature spoofing is possible because the UI does not properly distinguish between an attachment signature, and a signature that applies to the entir...

How severe is CVE-2017-17847?

CVE-2017-17847 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-17847?

Check the references section above for vendor advisories and patch information. Affected products include: Enigmail Enigmail, Debian Debian Linux.