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CVE-2017-9227

CRITICAL

9.8

Description

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 mbc_enc_len() during regular expression searching. Invalid handling of reg->dmin in forward_search_range() could result in an invalid pointer dereference, as an out-of-bounds read from a stack buffer.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/24/2017

Last Modified4/20/2025

Sourcenvd

Honeypot Sightings0

Affected Products

oniguruma_project:onigurumaphp:php

Weaknesses (CWE)

CWE-125

References

http://www.securityfocus.com/bid/100538(cve@mitre.org)

https://access.redhat.com/errata/RHSA-2018:1296(cve@mitre.org)

https://github.com/kkos/oniguruma/commit/9690d3ab1f9bcd2db8cbe1fe3ee4a5da606b8814(cve@mitre.org)

https://github.com/kkos/oniguruma/issues/58(cve@mitre.org)

http://www.securityfocus.com/bid/100538(af854a3a-2127-422b-91ae-364da2661108)

https://access.redhat.com/errata/RHSA-2018:1296(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/kkos/oniguruma/commit/9690d3ab1f9bcd2db8cbe1fe3ee4a5da606b8814(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/kkos/oniguruma/issues/58(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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