CVE-2015-2326

Severity CVSS v4.0:

Pending analysis

Type:

CWE-125 Out-of-bounds Read

Publication date:

14/01/2020

Last modified:

19/01/2023

Description

The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by "((?+1)(\1))/".

Impact

Vector 3.x

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

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vector 2.0

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

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

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

Base Score 2.0

4.30

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:pcre:pcre::::::::		8.37 (excluding)
cpe:2.3:o:opensuse:opensuse:13.1:::::::*
cpe:2.3:o:opensuse:opensuse:13.2:::::::*
cpe:2.3:a:mariadb:mariadb::::::::	10.0.0 (including)	10.0.18 (excluding)
cpe:2.3:a:php:php::::::::	5.4.0 (including)	5.4.41 (excluding)
cpe:2.3:a:php:php::::::::	5.5.0 (including)	5.5.26 (excluding)
cpe:2.3:a:php:php::::::::	5.6.0 (including)	5.6.9 (excluding)

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

CVE-2015-2326

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools