漏洞信息
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Vulnerability Title
389-ds-base: 389-ds-base: stack buffer overflow in checkprefix() algorithm id parsing
Vulnerability Description
A stack buffer overflow flaw was found in 389 Directory Server. The checkPrefix() function in pw.c copies an attacker-controlled algorithm ID into a 256-byte stack buffer without bounds checking when parsing reversible-encrypted attribute values. An attacker with Directory Manager privileges can crash the LDAP server by storing a crafted credential with an oversized algorithm ID. FORTIFY_SOURCE mitigates this to denial of service only.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
栈缓冲区溢出
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pw.c中的checkPrefix函数在解析可逆加密属性值时,将攻击者控制的算法ID复制到256字节栈缓冲区而未进行边界检查,导致具有目录管理器权限的攻击者通过存储带有超大算法ID的特制凭据崩溃LDAP服务器。
CVSS Information
N/A
Vulnerability Type
N/A