PT-2017-15043 · Enigmail · Enigmail

Jens Müller · Published 2017-12-21 · Updated 2018-02-04 · CVE-2017-17847

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions Enigmail versions prior to 1.9.9

Description An issue in Enigmail allows signature spoofing because the UI does not properly distinguish between an attachment signature and a signature that applies to the entire containing message. This can be demonstrated by an e-mail message with an attachment that is a signed e-mail message in message/rfc822 format.

Recommendations For versions prior to 1.9.9, update to version 1.9.9 or later to resolve the issue.

Fix

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

CVE-2017-17847

DLA-1219-1

DSA-4070-1

MGASA-2017-0477

Affected Products

Enigmail

References · 19

• https://osv.dev/vulnerability/DSA-4070-1 · Vendor Advisory
• https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-17847 · Security Note
• https://advisories.mageia.org/MGASA-2017-0477.html · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-17847 · Vendor Advisory
• https://debian.org/security/2017/dsa-4070 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-17847 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-17847 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-17847 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2017-0477 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-17847 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2017-17847 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2017-30 · Vendor Advisory
• https://bugs.mageia.org/show_bug.cgi?id=22251 · Note
• https://mail-archive.com/enigmail-users%40enigmail.net/msg04280.html · Note