CVE-2017-2646
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I. Basic Information for CVE-2017-2646
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: NVD (National Vulnerability Database)
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
II. Public POCs for CVE-2017-2646
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2646x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2017-2646
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
- CVE-2025-12150
Org.keycloak/keycloak-services: webauthn attestation stateme - CVE-2025-13467
Org.keycloak.storage.ldap: keycloak: deserialization of untr - CVE-2025-11538
Keycloak-server: debug default bind address - CVE-2025-12390
Org.keycloak.protocol.oidc.endpoints.logoutendpoint: offline - CVE-2025-10939
Org.keycloak/keycloak-quarkus-server: unable to restrict acc
Same vendor: Red Hat
- CVE-2026-42011
Gnutls: gnutls: security bypass due to incorrect name constr - CVE-2026-42010
Gnutls: gnutls: authentication bypass via nul character in u - CVE-2026-6420
Keylime: keylime: security bypass due to hardcoded tpm quote - CVE-2026-34956
Openvswitch: open vswitch: denial of service via malformed f - CVE-2026-34002
Xorg: xwayland: x.org x server: information disclosure or de
Same weakness: CWE-835
- CVE-2026-42310
Pillow: PDF Parsing Trailer Infinite Loop (DoS) - CVE-2026-41511
OpenMcdf has an Infinite loop DoS via crafted CFB directory - CVE-2026-5407
Loop with Unreachable Exit Condition ('Infinite Loop') in Wi - CVE-2026-6536
Loop with Unreachable Exit Condition ('Infinite Loop') in Wi - CVE-2026-6534
Loop with Unreachable Exit Condition ('Infinite Loop') in Wi
V. Comments for CVE-2017-2646
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