7.5high
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 rem…
Published 9 y ago · modified 4 mo ago · JSON
CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.6%
percentile 90%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
3.65% probability of exploitation in the next 30 days, higher than 90% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
- CWE-20 Improper Input Validation
References
- bugs.ruby-lang.org /issues/13234 · x_refsource_CONFIRM, x_transferred
- bugs.ruby-lang.org /projects/ruby-trunk/repository/revisions/57660 · x_refsource_CONFIRM, x_transferred
- securityfocus.com /bid/97304 · vdb-entry, x_refsource_BID, x_transferred
Sources
- CVE List: CVE-2017-6181
- NVD: CVE-2017-6181
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