PCRE 8.40 libpcre1 pcre_xclass.c _pcre32_xclass out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in PCRE 8.40. It has been declared as problematic. Affected is the function _pcre32_xclass of the file pcre_xclass.c of the component libpcre1. Executing a manipulation can lead to out-of-bounds. This vulnerability is tracked as CVE-2017-7244. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in PCRE 8.40 (Programming Tool Software) and classified as problematic. This vulnerability affects the function _pcre32_xclass of the file pcre_xclass.c of the component libpcre1. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. CVE summarizes:

The _pcre32_xclass function in pcre_xclass.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (invalid memory read) via a crafted file.

The bug was discovered 03/23/2017. The weakness was disclosed 03/23/2017 by Agostino Sarubbo with Gentoo (Website). The advisory is available at securityfocus.com. This vulnerability was named CVE-2017-7244 since 03/23/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 104068 (GLSA-201710-25 : PCRE: 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 8 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (104068) and SecurityFocus (BID 97067†). The entries VDB-98483 and VDB-98484 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 104068
Nessus Name: GLSA-201710-25 : PCRE: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/23/2017 🔍
03/23/2017 +0 days 🔍
03/23/2017 +0 days 🔍
03/23/2017 +0 days 🔍
03/23/2017 +0 days 🔍
03/24/2017 +1 days 🔍
10/23/2017 +213 days 🔍
10/23/2017 +0 days 🔍
11/15/2022 +1849 days 🔍

Sourcesinfo

Advisory: RHSA-2018:2486⛔
Researcher: Agostino Sarubbo
Organization: Gentoo
Status: Not defined

CVE: CVE-2017-7244 (🔍)
GCVE (CVE): GCVE-0-2017-7244
GCVE (VulDB): GCVE-100-98482
SecurityFocus: 97067 - libpcre Multiple Security Vulnerabilities
OSVDB: - CVE-2017-7244 - PCRE - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 03/24/2017 07:41
Updated: 11/15/2022 08:00
Changes: 03/24/2017 07:41 (72), 09/13/2020 10:40 (8), 11/15/2022 08:00 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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