National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-17843 Detail

Current Description

An issue was discovered in Enigmail before 1.9.9 that allows remote attackers to trigger use of an intended public key for encryption, because incorrect regular expressions are used for extraction of an e-mail address from a comma-separated list, as demonstrated by a modified Full Name field and a homograph attack, aka TBE-01-002.

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

Quick Info

CVE Dictionary Entry:
CVE-2017-17843
Original release date:
12/27/2017
Last revised:
02/03/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
5.9 Medium
Vector:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N (legend)
Impact Score:
3.6
Exploitability Score:
2.2
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
High
Availability (A):
None
CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.3 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:N/I:P/A:N) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf Vendor Advisory External Source MISC https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf
https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html External Source MLIST [debian-lts-announce] 20171223 [SECURITY] [DLA 1219-1] enigmail security update
https://lists.debian.org/debian-security-announce/2017/msg00333.html Third Party Advisory External Source MISC https://lists.debian.org/debian-security-announce/2017/msg00333.html
https://www.debian.org/security/2017/dsa-4070 Third Party Advisory External Source DEBIAN DSA-4070
https://www.mail-archive.com/enigmail-users@enigmail.net/msg04280.html Mailing List; Third Party Advisory External Source MISC https://www.mail-archive.com/enigmail-users@enigmail.net/msg04280.html

Technical Details

Vulnerability Type (View All)

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