Vulnerability CVE-2017-16231

Vulnerability Name:

CVE-2017-16231 (CCN-154726)

Assigned:

2017-10-30

Published:

2018-12-21

Updated:

2019-04-02

Summary:

** DISPUTED ** In PCRE 8.41, after compiling, a pcretest load test PoC produces a crash overflow in the function match() in pcre_exec.c because of a self-recursive call.
Note: third parties dispute the relevance of this report, noting that there are options that can be used to limit the amount of stack that is used.

CVSS v3 Severity:

5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)

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

3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:U/RC:R)

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

CVSS v2 Severity:

2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

CWE-119

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2017-16231

Source: MISC
Type: Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/150897/PCRE-8.41-Buffer-Overflow.html

Source: MISC
Type: Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2018/Dec/33

Source: MISC
Type: Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/11/01/11

Source: MISC
Type: Exploit, Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/11/01/3

Source: MISC
Type: Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/11/01/7

Source: MISC
Type: Exploit, Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/11/01/8

Source: MISC
Type: Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/101688

Source: CONFIRM
Type: Issue Tracking, Third Party Advisory
https://bugs.exim.org/show_bug.cgi?id=2047

Source: XF
Type: UNKNOWN
pcre-cve201716231-dos(154726)

Source: CCN
Type: Packet Storm Security [12-21-2018]
PCRE 8.41 Buffer Overflow

Source: CCN
Type: SourceForge PCRE Project Web page
PCRE

Source: CCN
Type: IBM Security Bulletin 1136692 (MQ Appliance)
IBM MQ Appliance is affected by a PCRE vulnerability (CVE-2017-16231)

Source: CCN
Type: IBM Security Bulletin 6091024 (DataPower Gateway)
IBM DataPower Gateway is potentially vulnerable to a DoS issue when processing regular expressions (CVE-2017-16231)

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-16231

Vulnerable Configuration:

Configuration 1:

cpe:/a:pcre:pcre:8.41:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:pcre:pcre:8.41:*:*:*:*:*:*:*

AND

cpe:/a:ibm:mq_appliance:8.0.0.3:*:*:*:*:*:*:*

OR cpe:/a:ibm:mq_appliance:8.0.0.4:*:*:*:*:*:*:*

OR cpe:/a:ibm:mq_appliance:8.0.0.5:*:*:*:*:*:*:*

OR cpe:/a:ibm:mq_appliance:8.0.0.6:*:*:*:*:*:*:*

OR cpe:/a:ibm:mq_appliance:8.0.0.0:*:*:*:*:*:*:*

OR cpe:/a:ibm:mq_appliance:8.0.0.8:*:*:*:*:*:*:*

OR cpe:/a:ibm:mq_appliance:8.0.0.10:*:*:*:*:*:*:*

OR cpe:/a:ibm:datapower_gateway:2018.4.1.0:*:*:*:*:*:*:*

OR cpe:/a:ibm:mq_appliance:8.0.0.11:*:*:*:*:*:*:*

OR cpe:/a:ibm:mq_appliance:9.1.0.1:*:*:*:*:*:*:*

OR cpe:/a:ibm:mq_appliance:9.1.1:*:*:*:*:*:*:*

OR cpe:/a:ibm:mq_appliance:8.0.0.1:*:*:*:*:*:*:*

OR cpe:/a:ibm:mq_appliance:8.0.0.7:*:*:*:*:*:*:*

OR cpe:/a:ibm:mq_appliance:8.0.0.9:*:*:*:*:*:*:*

OR cpe:/a:ibm:mq_appliance:8.0.0.12:*:*:*:*:*:*:*

OR cpe:/a:ibm:mq_appliance:9.1.0.2:*:*:*:continuous_delivery:*:*:*

OR cpe:/a:ibm:mq_appliance:9.1.2:*:*:*:continuous_delivery:*:*:*

OR cpe:/a:ibm:mq_appliance:9.1.0.3:*:*:*:continuous_delivery:*:*:*

OR cpe:/a:ibm:mq_appliance:9.1.3:*:*:*:continuous_delivery:*:*:*

OR cpe:/a:ibm:mq_appliance:9.1:*:*:*:*:*:*:*

OR cpe:/a:ibm:mq_appliance:8.0.0.13:*:*:*:*:*:*:*

OR cpe:/a:ibm:mq_appliance:9.1.0.4:*:*:*:*:*:*:*

OR cpe:/a:ibm:mq_appliance:9.1.4:*:*:*:continuous_delivery:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.xenial:def:2017162310000000	V	CVE-2017-16231 on Ubuntu 16.04 LTS (xenial) - negligible.	2019-03-21
oval:com.ubuntu.xenial:def:201716231000	V	CVE-2017-16231 on Ubuntu 16.04 LTS (xenial) - negligible.	2019-03-21
oval:com.ubuntu.disco:def:2017162310000000	V	CVE-2017-16231 on Ubuntu 19.04 (disco) - negligible.	2019-03-21
oval:com.ubuntu.bionic:def:201716231000	V	CVE-2017-16231 on Ubuntu 18.04 LTS (bionic) - negligible.	2019-03-21
oval:com.ubuntu.cosmic:def:2017162310000000	V	CVE-2017-16231 on Ubuntu 18.10 (cosmic) - negligible.	2019-03-21
oval:com.ubuntu.cosmic:def:201716231000	V	CVE-2017-16231 on Ubuntu 18.10 (cosmic) - negligible.	2019-03-21
oval:com.ubuntu.bionic:def:2017162310000000	V	CVE-2017-16231 on Ubuntu 18.04 LTS (bionic) - negligible.	2019-03-21
oval:com.ubuntu.trusty:def:201716231000	V	CVE-2017-16231 on Ubuntu 14.04 LTS (trusty) - negligible.	2019-03-21
oval:com.ubuntu.artful:def:201716231000	V	CVE-2017-16231 on Ubuntu 17.10 (artful) - negligible.	2017-11-02

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