RESTEasy Exception cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in RESTEasy. It has been declared as problematic. This affects an unknown function of the component Exception Handler. Executing a manipulation can lead to cross site scripting. This vulnerability is tracked as CVE-2016-6347. The attack can be launched remotely. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in RESTEasy (version now known) and classified as problematic. This vulnerability affects some unknown processing of the component Exception Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability in the default exception handler in RESTEasy allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

The bug was discovered 04/12/2017. The weakness was disclosed 04/20/2017 by Mikhail as Bug 1372124 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2016-6347 since 07/26/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 242054 (Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.04 : RESTEasy vulnerabilities (USN-7630-1)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at Tenable (242054) and SecurityFocus (BID 92759†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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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Nessus ID: 242054
Nessus Name: Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.04 : RESTEasy vulnerabilities (USN-7630-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/26/2016 🔍
08/31/2016 +36 days 🔍
04/12/2017 +224 days 🔍
04/20/2017 +8 days 🔍
04/20/2017 +0 days 🔍
04/21/2017 +1 days 🔍
07/15/2025 +3007 days 🔍

Sourcesinfo

Advisory: Bug 1372124
Researcher: Mikhail Egorov (Odin) (Mikhail)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-6347 (🔍)
GCVE (CVE): GCVE-0-2016-6347
GCVE (VulDB): GCVE-100-100372
SecurityFocus: 92759 - RESTEasy CVE-2016-6347 Cross Site Scripting Vulnerability
OSVDB: - CVE-2016-6347 - RESTEasy - Cross-Site Scripting Issue

Entryinfo

Created: 04/21/2017 09:57
Updated: 07/15/2025 05:20
Changes: 04/21/2017 09:57 (62), 09/18/2020 20:30 (3), 12/21/2020 10:06 (2), 07/15/2025 05:20 (19)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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