brace-expansion up to 1.1.6 Regular Expression index.jsp expand input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in brace-expansion up to 1.1.6. It has been declared as problematic. This affects an unknown part of the file index.jsp of the component Regular Expression. Executing a manipulation of the argument expand can lead to input validation. This vulnerability is registered as CVE-2017-18077. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in brace-expansion up to 1.1.6. This vulnerability affects some unknown processing of the file index.jsp of the component Regular Expression. The manipulation of the argument expand with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. CVE summarizes:

index.js in brace-expansion before 1.1.7 is vulnerable to Regular Expression Denial of Service (ReDoS) attacks, as demonstrated by an expand argument containing many comma characters.

The bug was discovered 01/27/2018. The weakness was published 01/27/2018 (Website). The advisory is available at bugs.debian.org. This vulnerability was named CVE-2017-18077 since 01/27/2018. The exploitation appears to be easy. 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.

By approaching the search of inurl:index.jsp it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.1.7 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

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: brace-expansion 1.1.7
Patch: github.com

Timelineinfo

01/27/2018 🔍
01/27/2018 +0 days 🔍
01/27/2018 +0 days 🔍
01/27/2018 +0 days 🔍
01/28/2018 +1 days 🔍
02/02/2023 +1831 days 🔍

Sourcesinfo

Advisory: 33
Status: Not defined

CVE: CVE-2017-18077 (🔍)
GCVE (CVE): GCVE-0-2017-18077
GCVE (VulDB): GCVE-100-112510

Entryinfo

Created: 01/28/2018 09:37
Updated: 02/02/2023 19:28
Changes: 01/28/2018 09:37 (58), 12/30/2019 09:28 (1), 02/02/2023 19:28 (5)
Complete: 🔍
Cache ID: 216::103

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