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CVE-2017-2646

Quick assessment

Affected
Red Hat keycloak
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Red Hat keycloak是美国红帽（Red Hat）公司的一套为现代应用和服务提供身份验证和管理功能的软件。 Red Hat keycloak 2.5.5之前版本中存在拒绝服务漏洞。远程攻击者可利用该漏洞造成拒绝服务（无限循环）。

AI Predicted 5.5 Difficulty: Trivial EPSS 1.83% · P79

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2017-2646

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat keycloak 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat keycloak是美国红帽（Red Hat）公司的一套为现代应用和服务提供身份验证和管理功能的软件。 Red Hat keycloak 2.5.5之前版本中存在拒绝服务漏洞。远程攻击者可利用该漏洞造成拒绝服务（无限循环）。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat keycloak 2.5.5 -

II. Public POCs for CVE-2017-2646

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III. Intelligence Information for CVE-2017-2646

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Vendor Advisories for CVE-2017-2646 (2)

Same Patch Batch · Red Hat · 2018-07-27 · 18 CVEs total

CVE-2017-2653 Red Hat CloudForms Management App 安全漏洞
CVE-2017-15125 Red Hat CloudForms 跨站脚本漏洞
CVE-2017-12195 Openshift Enterprise 授权问题漏洞
CVE-2017-12165 Red Hat Undertow 安全漏洞
CVE-2017-15113 Red Hat oVirt Engine 信息泄露漏洞
CVE-2017-12148 Ansible Tower 输入验证漏洞
CVE-2017-7463 Red Hat JBoss BRMS和BPM Suite 跨站脚本漏洞
CVE-2017-2674 Red Hat JBoss BRMS和BPM Suite 输入验证漏洞
CVE-2017-2658 Red Hat Dashbuilder 安全漏洞
CVE-2016-9578 Red Hat SPICE 输入验证漏洞
CVE-2017-2621 OpenStack 日志信息泄露漏洞
CVE-2017-2614 ovirt-aaa-jdbc-tool工具安全漏洞
CVE-2017-2590 Red Hat FreeIPA 安全漏洞
CVE-2017-2632 Red Hat CloudForms Management Engine 权限许可和访问控制漏洞
CVE-2017-2663 Red Hat Candlepin subscription-manager 权限许可和访问控制漏洞
CVE-2017-15097 PostgreSQL 后置链接漏洞
CVE-2016-9577 Red Hat SPICE 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: keycloak
Same vendor: Red Hat
Same weakness: CWE-835