VDB-103381 · CVE-2017-11164 · Nessus 111949

PCRE 8.41 Regular Expression pcre_exec.c match resource management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in PCRE 8.41. It has been classified as problematic. This vulnerability affects the function Match of the file pcre_exec.c of the component Regular Expression. This manipulation causes resource management. This vulnerability is handled as CVE-2017-11164. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in PCRE 8.41 (Programming Tool Software). It has been declared as problematic. Affected by this vulnerability is the function match of the file pcre_exec.c of the component Regular Expression. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

In PCRE 8.41, the OP_KETRMAX feature in the match function in pcre_exec.c allows stack exhaustion (uncontrolled recursion) when processing a crafted regular expression.

The bug was discovered 07/11/2017. The weakness was released 07/11/2017 with Qihoo 360 (Website). The advisory is shared at openwall.com. This vulnerability is known as CVE-2017-11164 since 07/10/2017. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 111949 (Photon OS 1.0: Binutils / File / Linux / Pcre / Shadow PHSA-2018-1.0-0171 (deprecated)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family PhotonOS Local Security Checks and running in the context l.

A possible mitigation has been published 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (111949) and SecurityFocus (BID 99575†). Entry connected to this vulnerability is available at VDB-117196. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Programming Tool Software

Name

PCRE

Version

8.41

License

open-source

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 111949
Nessus Name: Photon OS 1.0: Binutils / File / Linux / Pcre / Shadow PHSA-2018-1.0-0171 (deprecated)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Timelineinfo

07/10/2017 🔍
07/10/2017 +0 days 🔍
07/10/2017 +0 days 🔍
07/11/2017 +1 days 🔍
07/11/2017 +0 days 🔍
07/11/2017 +0 days 🔍
08/03/2018 +388 days 🔍
08/17/2018 +14 days 🔍
12/31/2020 +867 days 🔍

Sourcesinfo

Advisory: openwall.com
Researcher: Benjin Liu, codesafe
Organization: Qihoo 360
Status: Not defined

CVE: CVE-2017-11164 (🔍)
GCVE (CVE): GCVE-0-2017-11164
GCVE (VulDB): GCVE-100-103381
SecurityFocus: 99575 - PCRE 'pcre_exec.c' Local Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 07/11/2017 12:47
Updated: 12/31/2020 13:25
Changes: 07/11/2017 12:47 (72), 10/24/2019 16:27 (5), 12/31/2020 13:25 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.