VDB-102537 · CVE-2017-7676 · BID 98958

Apache Ranger up to 0.7.0 Wildcard Character input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apache Ranger up to 0.7.0. The affected element is an unknown function of the component Wildcard Character Handler. Performing a manipulation results in input validation. This vulnerability is reported as CVE-2017-7676. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical has been found in Apache Ranger up to 0.7.0. This affects an unknown functionality of the component Wildcard Character Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Policy resource matcher in Apache Ranger before 0.7.1 ignores characters after '*' wildcard character - like my*test, test*.txt. This can result in unintended behavior.

The bug was discovered 06/07/2017. The weakness was disclosed 06/14/2017 (Website). The advisory is shared at cwiki.apache.org. This vulnerability is uniquely identified as CVE-2017-7676 since 04/11/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/28/2020).

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 0.7.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98958†). The entries VDB-82052, VDB-82053, VDB-82212 and VDB-82250 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
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: Input validation
CWE: CWE-20
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Ranger 0.7.1

Timelineinfo

04/11/2017 🔍
06/07/2017 +57 days 🔍
06/07/2017 +0 days 🔍
06/14/2017 +7 days 🔍
06/14/2017 +0 days 🔍
06/14/2017 +0 days 🔍
12/28/2020 +1293 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: cwiki.apache.org
Researcher: Velmurugan Periasamy
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7676 (🔍)
GCVE (CVE): GCVE-0-2017-7676
GCVE (VulDB): GCVE-100-102537
SecurityFocus: 98958 - Apache Ranger CVE-2017-7676 Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 06/14/2017 23:02
Updated: 12/28/2020 19:44
Changes: 06/14/2017 23:02 (61), 10/18/2019 09:29 (4), 12/28/2020 19:44 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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