CVE-2024-51491— notation-go 安全漏洞
一分钟漏洞结论
影响对象
notaryproject notation-go
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
notation-go是notaryproject个人开发者的支持签署和验证 OCI 工件的库集合。 notation-go 1.3.0-rc.1版本存在安全漏洞，该漏洞源于CRL缓存更新操作失败，导致程序意外终止。
可能的 ATT&CK 技术 1 AI
T1499 · Endpoint Denial of Service
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一、 漏洞 CVE-2024-51491 基础信息
漏洞信息
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Vulnerability Title
Process crash during CRL-based revocation check on OS using separate mount point for temp Directory in notation-go
来源: CVE Program / CVE List V5
Vulnerability Description
notion-go is a collection of libraries for supporting sign and verify OCI artifacts. Based on Notary Project specifications. The issue was identified during Quarkslab's security audit on the Certificate Revocation List (CRL) based revocation check feature.
After retrieving the CRL, notation-go attempts to update the CRL cache using the os.Rename method. However, this operation may fail due to operating system-specific limitations, particularly when the source and destination paths are on different mount points. This failure could lead to an unexpected program termination. In method `crl.(*FileCache).Set`, a temporary file is created in the OS dedicated area (like /tmp for, usually, Linux/Unix). The file is written and then it is tried to move it to the dedicated `notation` cache directory thanks `os.Rename`. As specified in Go documentation, OS specific restriction may apply. When used with Linux OS, it is relying on rename syscall from the libc and as per the documentation, moving a file to a different mountpoint raises an EXDEV error, interpreted as Cross device link not permitted error. Some Linux distribution, like RedHat use a dedicated filesystem (tmpfs), mounted on a specific mountpoint (usually /tmp) for temporary files. When using such OS, revocation check based on CRL will repeatedly crash notation. As a result the signature verification process is aborted as process crashes. This issue has been addressed in version 1.3.0-rc.2 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
来源: CVE Program / CVE List V5
Vulnerability Type
对异常条件检查或处理不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
notation-go 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
notation-go是notaryproject个人开发者的支持签署和验证 OCI 工件的库集合。 notation-go 1.3.0-rc.1版本存在安全漏洞，该漏洞源于CRL缓存更新操作失败，导致程序意外终止。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| notaryproject | notation-go | = 1.3.0-rc.1 | - |
|
二、漏洞 CVE-2024-51491 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2024-51491 补丁与修复 (1)
CVE-2024-51491 厂商安全公告 (1)
CVE-2024-51491 新闻报道 (1)
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rename(2) - Linux manual page x_refsource_MISC
IV. Related Vulnerabilities
V. Comments for CVE-2024-51491
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