VDB-99824 · CVE-2016-4800 · BID 90945

Eclipse Jetty up to 9.3.8 on Windows Path Normalization PathResource Backslash access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Eclipse Jetty up to 9.3.8 on Windows and classified as critical. Affected is the function PathResource of the component Path Normalization. Such manipulation as part of Backslash leads to access control. This vulnerability is traded as CVE-2016-4800. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Eclipse Jetty up to 9.3.8 on Windows and classified as critical. Affected by this issue is the function PathResource of the component Path Normalization. The manipulation as part of a Backslash leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The path normalization mechanism in PathResource class in Eclipse Jetty 9.3.x before 9.3.9 on Windows allows remote attackers to bypass protected resource restrictions and other security constraints via a URL with certain escaped characters, related to backslashes.

The bug was discovered 05/30/2016. The weakness was shared 04/13/2017 with Zero Day Initiative (Website). The advisory is shared for download at dev.eclipse.org. This vulnerability is handled as CVE-2016-4800 since 05/13/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 318 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 9.3.9 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 90945†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

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: Access control
CWE: CWE-284 / CWE-266
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: Jetty 9.3.9

Timelineinfo

05/13/2016 🔍
05/30/2016 +17 days 🔍
05/30/2016 +0 days 🔍
04/13/2017 +318 days 🔍
04/13/2017 +0 days 🔍
04/14/2017 +1 days 🔍
08/30/2020 +1234 days 🔍

Sourcesinfo

Advisory: dev.eclipse.org
Organization: Zero Day Initiative
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-4800 (🔍)
GCVE (CVE): GCVE-0-2016-4800
GCVE (VulDB): GCVE-100-99824
SecurityFocus: 90945 - Jetty CVE-2016-4800 Security Bypass Vulnerability
OSVDB: - CVE-2016-4800 - Eclipse - Jetty - Security Bypass Issue

Entryinfo

Created: 04/14/2017 11:06
Updated: 08/30/2020 18:37
Changes: 04/14/2017 11:06 (57), 08/30/2020 18:37 (12)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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