National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-17844 Detail

Current Description

An issue was discovered in Enigmail before 1.9.9. A remote attacker can obtain cleartext content by sending an encrypted data block (that the attacker cannot directly decrypt) to a victim, and relying on the victim to automatically decrypt that block and then send it back to the attacker as quoted text, aka the TBE-01-005 "replay" issue.

Source:  MITRE
Description Last Modified:  12/22/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.8


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf Third Party Advisory Vendor Advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html
https://lists.debian.org/debian-security-announce/2017/msg00333.html Third Party Advisory
https://www.debian.org/security/2017/dsa-4070 Third Party Advisory
https://www.mail-archive.com/enigmail-users@enigmail.net/msg04280.html Mailing List Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Information Leak / Disclosure (CWE-200)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-17844
NVD Published Date:
12/27/2017
NVD Last Modified:
02/03/2018