CVE-2017-9227

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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/kkos/oniguruma/issues/58	Exploit Issue Tracking Patch Third Party Advisory
https://github.com/kkos/oniguruma/commit/9690d3ab1f9bcd2db8cbe1fe3ee4a5da606b8814	Patch Third Party Advisory
http://www.securityfocus.com/bid/100538	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:1296	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:oniguruma_project:oniguruma:6.2.0:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:a:php:php::::::::
	cpe:2.3:a:php:php::::::::
	cpe:2.3:a:php:php::::::::

Information

Published : 2017-05-24 08:29

Updated : 2022-07-20 09:34

NVD link : CVE-2017-9227

Mitre link : CVE-2017-9227

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

oniguruma_project

oniguruma

php

php

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