漏洞信息
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Vulnerability Title
Lemmy's Activitypub-Federation has SSRF via 0.0.0.0 bypass in activitypub-federation-rust v4_is_invalid()
Vulnerability Description
Lemmy is a link aggregator and forum for the fediverse. Prior to version 0.7.0-beta.9, the `v4_is_invalid()` function in `activitypub-federation-rust` (`src/utils.rs`) does not check for `Ipv4Addr::UNSPECIFIED` (0.0.0.0). An unauthenticated attacker controlling a remote domain can point it to 0.0.0.0, bypass the SSRF protection introduced by the fix for CVE-2025-25194 (GHSA-7723-35v7-qcxw), and reach localhost services on the target server. Version 0.7.0-beta.9 patches the issue.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Vulnerability Type
服务端请求伪造(SSRF)
Vulnerability Title
Lemmy 代码问题漏洞
Vulnerability Description
Lemmy是Lemmy开源的一款用于构建社交新闻聚合器和网络论坛的自由软件。 Lemmy 0.7.0-beta.9之前版本存在代码问题漏洞,该漏洞源于v4_is_invalid函数未检查0.0.0.0地址,可能导致未经验证的攻击者绕过SSRF保护并访问本地主机服务。
CVSS Information
N/A
Vulnerability Type
N/A