CVE-2015-3217

PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\.|([^\\\\W_])?)+)+$/.

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

7.5^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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://bugs.exim.org/show_bug.cgi?id=1638	Exploit Issue Tracking Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1228283	Issue Tracking
http://www.openwall.com/lists/oss-security/2015/06/03/7	Mailing List
http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886	Third Party Advisory
http://www.securityfocus.com/bid/75018	Third Party Advisory VDB Entry
http://vcs.pcre.org/pcre?view=revision&revision=1566	Patch
https://access.redhat.com/errata/RHSA-2016:1132
http://rhn.redhat.com/errata/RHSA-2016-2750.html
http://rhn.redhat.com/errata/RHSA-2016-1025.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

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Configurations

Configuration 1 (hide)

cpe:2.3:a:pcre:pcre2:10.10:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:a:pcre:pcre:8.33:::::::*
	cpe:2.3:a:pcre:pcre:8.34:::::::*
	cpe:2.3:a:pcre:pcre:8.32:::::::*
	cpe:2.3:a:pcre:pcre:8.37:::::::*
	cpe:2.3:a:pcre:pcre:7.8:::::::*
	cpe:2.3:a:pcre:pcre:8.35:::::::*
	cpe:2.3:a:pcre:pcre:8.36:::::::*

Configuration 3 (hide)

OR	cpe:2.3:a:ibm:powerkvm:3.1:::::::*
	cpe:2.3:a:ibm:powerkvm:2.1:::::::*

Information

Published : 2016-12-13 08:59

Updated : 2018-05-17 18:29

NVD link : CVE-2015-3217

Mitre link : CVE-2015-3217

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

ibm

powerkvm

pcre

pcre
pcre2

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