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CVE-2017-17846

Date: December 22, 2017

An issue was discovered in Enigmail before 1.9.9. Regular expressions are exploitable for Denial of Service, because of attempts to match arbitrarily long strings, aka TBE-01-003.

Severity Score

7.5

Related Resources (9)

Url: https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf

Url: https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html

Url: https://www.mail-archive.com/enigmail-users%40enigmail.net/msg04280.html

Url: https://security-tracker.debian.org/tracker/CVE-2017-17846

Url: https://nvd.nist.gov/vuln/detail/CVE-2017-17846

Url: https://www.debian.org/security/2017/dsa-4070

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2017-17846

Url: https://lists.debian.org/debian-security-announce/2017/msg00333.html

Url: https://www.mend.io/vulnerability-database/CVE-2017-17846

Severity Score

7.5

Weakness Type (CWE)

Input Validation

CWE-20

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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