CVE-2022-4087— iPXE TLS tls.c tls_new_ciphertext information exposure
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I. Basic Information for CVE-2022-4087
Vulnerability Information
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Vulnerability Title
iPXE TLS tls.c tls_new_ciphertext information exposure
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in iPXE. It has been declared as problematic. This vulnerability affects the function tls_new_ciphertext of the file src/net/tls.c of the component TLS. The manipulation of the argument pad_len leads to information exposure through discrepancy. The name of the patch is 186306d6199096b7a7c4b4574d4be8cdb8426729. It is recommended to apply a patch to fix this issue. VDB-214054 is the identifier assigned to this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
iPXE 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
iPXE是iPXE开源的一种网络引导程序。 iPXE 存在安全漏洞，该漏洞源于组件TLS的文件src/net/tls.c的函数tls_new_ciphertext存在问题，对参数 pad_len 的操作会通过差异导致信息暴露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| unspecified | iPXE | n/a | - |
II. Public POCs for CVE-2022-4087
| # | POC Description | Source Link | Shenlong Link |
|---|
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V. Comments for CVE-2022-4087
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