漏洞信息
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Vulnerability Title
Mailpit: SMTP DATA line reader buffers over-limit input before size enforcement
Vulnerability Description
Mailpit is an email testing tool and API for developers. From 1.30.0 until 1.30.5, Mailpit's internal/smtpd/smtpd.go readData() function calls bufio.Reader.ReadBytes before applying the len(data)+len(line) size check to the completed SMTP DATA line against Server.MaxSize. An unauthenticated SMTP client can send a single line larger than the configured MaxMessageSize, causing the full line to be allocated before Mailpit returns the 552 5.3.4 rejection. This post-fix gap remains after normal multi-line DATA accumulation was bounded, and concurrent oversized lines can create substantial memory pressure beyond the configured message-size cap. This issue is fixed in version 1.30.5.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Vulnerability Type
不加限制或调节的资源分配
Vulnerability Title
Ralph Slooten Mailpit 资源管理错误漏洞
Vulnerability Description
Ralph Slooten Mailpit是Ralph Slooten个人开发者的一款面向开发者的小型、快速、低内存、零依赖、多平台的电子邮件测试工具和 API。 Ralph Slooten Mailpit 1.30.0版本至1.30.5之前版本存在资源管理错误漏洞,该漏洞源于SMTP数据读取函数在应用大小检查前调用ReadBytes,未正确限制消息大小,可能导致未经身份验证的攻击者发送超大单行数据,造成内存压力。
CVSS Information
N/A
Vulnerability Type
N/A