ISPConfig up to 3.1.12 Regular Expression incorrect regex

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in ISPConfig up to 3.1.12. Impacted is an unknown function of the component Regular Expression. The manipulation with the input /[a-z]{2}/ leads to incorrect regex. This vulnerability is documented as CVE-2018-17984. The attack needs to be performed locally. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in ISPConfig up to 3.1.12. It has been rated as critical. This issue affects an unknown functionality of the component Regular Expression. The manipulation with the input value /[a-z]{2}/ leads to a incorrect regex vulnerability. Using CWE to declare the problem leads to CWE-185. The product specifies a regular expression in a way that causes data to be improperly matched or compared. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An unanchored /[a-z]{2}/ regular expression in ISPConfig before 3.1.13 makes it possible to include arbitrary files, leading to code execution. This is exploitable by authenticated users who have local filesystem access.

The bug was discovered 10/04/2018. The weakness was released 10/04/2018 (Website). It is possible to read the advisory at 0x09al.github.io. The identification of this vulnerability is CVE-2018-17984 since 10/04/2018. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 3.1.13 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.8
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: Incorrect regex
CWE: CWE-185 / CWE-697
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ISPConfig 3.1.13

Timelineinfo

10/04/2018 🔍
10/04/2018 +0 days 🔍
10/04/2018 +0 days 🔍
10/04/2018 +0 days 🔍
10/05/2018 +1 days 🔍
03/29/2020 +541 days 🔍

Sourcesinfo

Advisory: 0x09al.github.io
Status: Not defined

CVE: CVE-2018-17984 (🔍)
GCVE (CVE): GCVE-0-2018-17984
GCVE (VulDB): GCVE-100-124811

Entryinfo

Created: 10/05/2018 07:16
Updated: 03/29/2020 20:25
Changes: 10/05/2018 07:16 (57), 03/29/2020 20:25 (1)
Complete: 🔍
Cache ID: 216::103

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