CVE-2017-9229

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

24/05/2017

Last modified:

01/09/2022

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 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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:oniguruma_project:oniguruma:6.2.0:::::::*
cpe:2.3:a:php:php::::::oniguruma-mod::*		7.1.5 (including)
cpe:2.3:a:ruby-lang:ruby::::::oniguruma-mod::*		2.4.1 (including)
cpe:2.3:a:php:php::::::::	5.6.0 (including)	5.6.31 (excluding)
cpe:2.3:a:php:php::::::::	7.0.0 (including)	7.0.21 (excluding)
cpe:2.3:a:php:php::::::::	7.1.0 (including)	7.1.7 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2017-9229

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools