漏洞信息
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Vulnerability Title
389-ds-base: 389-ds-base: unbounded ldap controls count in get_ldapmessage_controls_ext() causes cpu and heap amplification (remote dos)
Vulnerability Description
A flaw was found in 389-ds-base. The get_ldapmessage_controls_ext() function in the LDAP server does not enforce an upper bound on the number of controls per LDAP message. A remote, unauthenticated attacker can send a specially crafted LDAP request containing hundreds of thousands of minimal controls within the default maximum BER message size (2 MB), causing excessive CPU consumption and heap allocation on the server. Under concurrent exploitation, this leads to significant latency degradation, worker thread starvation, or out-of-memory termination, resulting in a denial of service.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
不加限制或调节的资源分配
Vulnerability Title
389 Directory Server 安全漏洞
Vulnerability Description
389 Directory Server是389 Directory Server开源的一个高度可用、功能齐全、可靠和安全的LDAP服务器实现。 389 Directory Server存在安全漏洞,该漏洞源于get_ldapmessage_controls_ext函数未对LDAP消息中的控制数量设置上限,可能导致远程未认证攻击者发送特制请求造成拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A