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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 read occurs in match_at() during regular expression searching. A logical error involving order of validation and access in match_at() could result in an out-of-bounds read from a stack buffer.
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 read occurs in match_at() during regular expression searching. A logical error involving order of validation and access in match_at() could result in an out-of-bounds read from a stack buffer.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.
References to Advisories, Solutions, and Tools
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OR
*cpe:2.3:a:php:php:*:*:*:*:*:oniguruma-mod:*:* versions up to (including) 7.1.5
*cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:oniguruma-mod:*:* versions up to (including) 2.4.1
OR
*cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions up to (excluding) 5.6.31
*cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.0.0 up to (excluding) 7.0.21
*cpe:2.3:a:php:php:*:*:*:*:*:*:*:* versions from (including) 7.1.0 up to (excluding) 7.1.7
Removed
CVSS V3
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Added
CVSS V3.1
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Changed
Reference Type
http://www.securityfocus.com/bid/101244 No Types Assigned
http://www.securityfocus.com/bid/101244 Third Party Advisory, VDB Entry
Changed
Reference Type
https://access.redhat.com/errata/RHSA-2018:1296 No Types Assigned
https://access.redhat.com/errata/RHSA-2018:1296 Third Party Advisory
Changed
Reference Type
https://github.com/kkos/oniguruma/issues/57 Exploit, Third Party Advisory
https://github.com/kkos/oniguruma/issues/57 Exploit, Issue Tracking, Third Party Advisory
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