PCRE2 Pattern pcre2_match.c memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in PCRE2. It has been classified as critical. This impacts an unknown function of the file pcre2_match.c of the component Pattern Handler. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2017-8399. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in PCRE2 (Programming Tool Software) (unknown version). This affects an unknown code block of the file pcre2_match.c of the component Pattern Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

PCRE2 before 2017-03-10 has an out-of-bounds write caused by a stack-based buffer overflow in pcre2_match.c, related to a "pattern with very many captures."

The bug was discovered 03/10/2017. The weakness was released 05/01/2017 by OSS-Fuzz (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2017-8399 since 05/01/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 103727 (GLSA-201710-09 : PCRE2: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (103727) and SecurityFocus (BID 98315†). Entry connected to this vulnerability is available at VDB-100883. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103727
Nessus Name: GLSA-201710-09 : PCRE2: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/10/2017 🔍
03/10/2017 +0 days 🔍
05/01/2017 +52 days 🔍
05/01/2017 +0 days 🔍
05/01/2017 +0 days 🔍
05/01/2017 +0 days 🔍
05/01/2017 +0 days 🔍
10/09/2017 +161 days 🔍
12/22/2020 +1170 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: OSS-Fuzz (OSS-Fuzz)
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-8399 (🔍)
GCVE (CVE): GCVE-0-2017-8399
GCVE (VulDB): GCVE-100-100791
SecurityFocus: 98315 - PCRE 'pcre2_match.c' Stack Buffer Overflow Vulnerability
OSVDB: - CVE-2017-8399 - PCRE2 - Buffer Overflow Issue

See also: 🔍

Entryinfo

Created: 05/02/2017 00:40
Updated: 12/22/2020 10:29
Changes: 05/02/2017 00:40 (67), 09/22/2020 20:39 (6), 12/22/2020 10:29 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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