Bug 1466733 (CVE-2017-9225)
Summary: | CVE-2017-9225 oniguruma: Out-of-bounds stack write in onigenc_unicode_get_case_fold_codes_by_str() during regular expression compilation | ||
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Product: | [Other] Security Response | Reporter: | Adam Mariš <amaris> |
Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
Status: | CLOSED ERRATA | QA Contact: | |
Severity: | medium | Docs Contact: | |
Priority: | medium | ||
Version: | unspecified | CC: | abhgupta, bkearney, cbillett, ccoleman, cpelland, dajohnso, dedgar, dmcphers, fedora, gblomqui, gmccullo, gtanzill, hhorak, hhudgeon, jgoulding, jhardy, jorton, jprause, ktdreyer, mtasaka, no1youknowz, rcollet, roliveri, ruby-maint, simaishi, s, strzibny, tiwillia, tomckay, vanmeeuwen+fedora, vondruch, yozone |
Target Milestone: | --- | Keywords: | Security |
Target Release: | --- | ||
Hardware: | All | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | oniguruma 6.3.0 | Doc Type: | If docs needed, set a value |
Doc Text: | Story Points: | --- | |
Clone Of: | Environment: | ||
Last Closed: | 2021-10-21 11:54:08 UTC | Type: | --- |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: | |||
Bug Depends On: | 1466749, 1466750, 1466751, 1466752, 1466753 | ||
Bug Blocks: | 1466748 |
Description
Adam Mariš
2017-06-30 10:56:10 UTC
Created oniguruma tracking bugs for this issue: Affects: epel-7 [bug 1466750] Affects: fedora-all [bug 1466752] Created php tracking bugs for this issue: Affects: fedora-all [bug 1466751] Created ruby tracking bugs for this issue: Affects: fedora-all [bug 1466749] Created ruby193-ruby tracking bugs for this issue: Affects: openshift-1 [bug 1466753] This flaw was introduced upstream in commit https://github.com/kkos/oniguruma/commit/d8366441 (2016-04-16, post v5.9.6). Previously, the functionality of unicode_unfold_key() was provided by a simple hash table (st.c) and was not prone to such overflows. Ruby is not vulnerable according to Ruby upstream:
~~~
> CVE-2017-9225 https://github.com/kkos/oniguruma/issues/56
not affected.
% ruby <<'END'
str = "\x3f\xff\x63\x7f\xff\xff\xff\xff\x4d\x22\x00\x00".force_encoding('UTF-32BE')
Regexp.new(str)
END
Traceback (most recent call last):
2: from -:2:in `<main>'
1: from -:2:in `new'
-:2:in `initialize': invalid multibyte character:
/\x3F\u{FF637FFF}\u{FFFFFF4D}\x22\x00\x00/ (RegexpError)
~~~
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