CVE-2017-7186

libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : 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
http://www.securityfocus.com/bid/97030
https://access.redhat.com/errata/RHSA-2018:2486
https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/	Patch Third Party Advisory
https://bugs.exim.org/show_bug.cgi?id=2052	Third Party Advisory
https://security.gentoo.org/glsa/201710-09
https://security.gentoo.org/glsa/201710-25
https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=date	Patch
https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date	Patch
https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date	Patch
https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:pcre:pcre:8.40:::::::*
	cpe:2.3:a:pcre:pcre2:10.23:::::::*

History

No history.

Information

Published : 2017-03-20 00:59

Updated : 2023-12-10 12:01

NVD link : CVE-2017-7186

Mitre link : CVE-2017-7186

CVE.ORG link : CVE-2017-7186

JSON object : View

Products Affected

pcre

pcre
pcre2

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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