CVE-2017-9229

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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/kkos/oniguruma/issues/59	Exploit Third Party Advisory
https://github.com/kkos/oniguruma/commit/b690371bbf97794b4a1d3f295d4fb9a8b05d402d	Patch Third Party Advisory
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:ruby-lang:ruby::::::oniguruma-mod::*
	cpe:2.3:a:php:php::::::oniguruma-mod::*

Configuration 3 (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 : 2022-09-01 09:20

NVD link : CVE-2017-9229

Mitre link : CVE-2017-9229

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

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Products Affected

oniguruma_project

oniguruma

ruby-lang

ruby

php

php

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