漏洞信息
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Vulnerability Title
N/A
Vulnerability Description
In OpenStack Swift through 2.38.0, the proxy server Accept header parser contains a regular expression vulnerable to catastrophic backtracking (ReDoS). The "qdtext" pattern (?:[^"]|\\.)* allows an unauthenticated remote attacker to send a crafted Accept header that causes exponential CPU consumption in the proxy worker. A payload of 32 backslash-character pairs exceeds 30 seconds of CPU time. No authentication is required. Repeated requests can exhaust all proxy worker threads, resulting in a complete denial of service.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Vulnerability Type
CWE-1333
Vulnerability Title
OpenStack Swift 资源管理错误漏洞
Vulnerability Description
OpenStack Swift是OpenStack基金会开源的一个存储永久静态数据的存储项目。 OpenStack Swift 2.38.0及之前版本存在资源管理错误漏洞,该漏洞源于代理服务器Accept标头解析器中的正则表达式存在灾难性回溯(ReDoS),可能导致未经身份验证的远程攻击者发送特制Accept标头,造成指数级CPU消耗,重复请求可耗尽所有代理工作线程,导致完全拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A