CVSS: 9.8EPSS: 0%CPEs: 3EXPL: 1CVE-2017-9225
https://notcve.org/view.php?id=CVE-2017-9225
24 May 2017 — An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A stack out-of-bounds write in onigenc_unicode_get_case_fold_codes_by_str() occurs during regular expression compilation. Code point 0xFFFFFFFF is not properly handled in unicode_unfold_key(). A malformed regular expression could result in 4 bytes being written off the end of a stack buffer of expand_case_fold_string() during the call to onigenc_unicode_get_case_fold_codes_by_str(), ... • https://github.com/kkos/oniguruma/commit/166a6c3999bf06b4de0ab4ce6b088a468cc4029f • CWE-787: Out-of-bounds Write •
CVSS: 7.5EPSS: 0%CPEs: 6EXPL: 1CVE-2017-9229 – oniguruma: Invalid pointer dereference in left_adjust_char_head()
https://notcve.org/view.php?id=CVE-2017-9229
24 May 2017 — An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A SIGSEGV occurs in left_adjust_char_head() during regular expression compilation. Invalid handling of reg->dmax in forward_search_range() could result in an invalid pointer dereference, normally as an immediate denial-of-service condition. Se descubrió un problema en Oniguruma versión 6.2.0, como es usado en Oniguruma-mod en Ruby hasta versión 2.4.1 y mbstring en PHP hasta versión 7... • https://access.redhat.com/errata/RHSA-2018:1296 • CWE-476: NULL Pointer Dereference CWE-787: Out-of-bounds Write •
CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 0CVE-2017-6181
https://notcve.org/view.php?id=CVE-2017-6181
03 Apr 2017 — 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. La función parse_char_class en regparse.c en la Onigmo (también conocida como Oniguruma-mod) libreria de expresión regular,como se utiliza en Ruby 2.4.0, permite a atacantes remotos provocar una denegación de servicio (recursión profunda y caída de la aplic... • http://www.securityfocus.com/bid/97304 • CWE-20: Improper Input Validation •
CVSS: 8.6EPSS: 2%CPEs: 42EXPL: 0CVE-2015-3900 – rubygems: DNS hijacking vulnerability in api_endpoint()
https://notcve.org/view.php?id=CVE-2015-3900
24 Jun 2015 — RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record, aka a "DNS hijack attack." RubyGems 2.0.x en versiones anteriores a 2.0.16, 2.2.x en versiones anteriores a 2.2.4 y 2.4.x en versiones anteriores a 2.4.7 no valida el nombre de host al recuperar gemas o hacer solicitudes de API, lo que permite a atacantes remotos... • http://blog.rubygems.org/2015/05/14/CVE-2015-3900.html • CWE-254: 7PK - Security Features CWE-345: Insufficient Verification of Data Authenticity •