National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-7686 Detail

Current Description

Algorithmic complexity vulnerability in Address.pm in the Email-Address module 1.908 and earlier for Perl allows remote attackers to cause a denial of service (CPU consumption) via a crafted string containing a list of e-mail addresses in conjunction with parenthesis characters that can be associated with nested comments. NOTE: the default configuration in 1.908 mitigates this vulnerability but misparses certain realistic comments.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2015/09/27/1
http://www.openwall.com/lists/oss-security/2015/10/02/13
https://forum.bestpractical.com/t/security-vulnerabilities-in-rt-2017-06-15/32016

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:email-address_project:email-address:*:*:*:*:*:perl:*:*
     Show Matching CPE(s)
Up to (including)
1.908


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-7686
NVD Published Date:
10/05/2015
NVD Last Modified:
07/03/2017