漏洞信息
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Vulnerability Title
Confidential Containers Guest Components image-rs: zip-slip-class arbitrary file write via absolute entry path in hardlink fallback
Vulnerability Description
Confidential Containers Guest Components provides guest tools and components for confidential container workloads. From 0.16.0 until 0.20.0, a crafted OCI image layer can make image_rs::stream::unpack::unpack() create a hardlink outside its destination directory. In image-rs/src/stream/unpack.rs, try_hardlink_fallback() validates the hardlink source but computes the destination with destination.join(&entry_rel). Rust Path::join replaces the base when entry_rel is an absolute tar entry path, so fs::hard_link(&src_canon, &dst_entry_abs) can write attacker-controlled content to an arbitrary absolute path. In Confidential Containers the workload owner already controls trusted image content, so the issue is a workload-owner escape into the pod virtual machine rather than a crossing of the image trust boundary, but it may enable access to pod virtual machine capabilities and attestation abuse. This issue is fixed in version 0.20.0.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Vulnerability Title
WordPress Confidential Container Tools and Components 路径遍历漏洞
Vulnerability Description
WordPress Confidential Container Tools and Components是WordPress基金会的一系列容器工具与组件。 WordPress Confidential Container Tools and Components 0.16.0版本至0.20.0之前版本存在安全漏洞,该漏洞源于对硬链接目标路径验证不充分,攻击者可通过特制OCI镜像层在目标目录之外创建硬链接,从而写入任意绝对路径,可能导致访问pod虚拟机功能并滥用证明。
CVSS Information
N/A
Vulnerability Type
N/A