Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2017-6181

The parse_char_class function in regparse.c in the Onigmo (aka Oniguruma-mod) regular expression library, as used in Ruby 2.4.0, allows remote attackers to cause a denial of service (deep recursion and application crash) via a crafted regular expression.

Published

2017-04-03T05:59:00.847

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	ruby-lang	ruby	2.4.0	Yes

References

http://www.securityfocus.com/bid/97304 Third Party Advisory, VDB Entry ([email protected])
https://bugs.ruby-lang.org/issues/13234 Issue Tracking, Vendor Advisory ([email protected])
https://bugs.ruby-lang.org/projects/ruby-trunk/repository/revisions/57660 Issue Tracking, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/97304 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.ruby-lang.org/issues/13234 Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.ruby-lang.org/projects/ruby-trunk/repository/revisions/57660 Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)