CVE-2021-29923
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Google Golang是美国谷歌（Google）公司的一种静态强类型、编译型语言。Go的语法接近C语言，但对于变量的声明有所不同。Go支持垃圾回收功能。Go的并行模型是以东尼·霍尔的通信顺序进程（CSP）为基础，采取类似模型的其他语言包括Occam和Limbo，但它也具有Pi运算的特征，比如通道传输。在1.8版本中开放插件（Plugin）的支持，这意味着现在能从Go中动态加载部分函数。 Google Golang 存在安全漏洞，该漏洞允许攻击者可利用该漏洞绕过基于IP地址的访问控制，因为有意外的八进制
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I. Basic Information for CVE-2021-29923
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Go before 1.17 does not properly consider extraneous zero characters at the beginning of an IP address octet, which (in some situations) allows attackers to bypass access control that is based on IP addresses, because of unexpected octal interpretation. This affects net.ParseIP and net.ParseCIDR.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Google Golang 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Golang是美国谷歌（Google）公司的一种静态强类型、编译型语言。Go的语法接近C语言，但对于变量的声明有所不同。Go支持垃圾回收功能。Go的并行模型是以东尼·霍尔的通信顺序进程（CSP）为基础，采取类似模型的其他语言包括Occam和Limbo，但它也具有Pi运算的特征，比如通道传输。在1.8版本中开放插件（Plugin）的支持，这意味着现在能从Go中动态加载部分函数。 Google Golang 存在安全漏洞，该漏洞允许攻击者可利用该漏洞绕过基于IP地址的访问控制，因为有意外的八进制
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-29923
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-29923 (2)
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https://www.oracle.com/security-alerts/cpujan2022.html x_refsource_MISC
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Mailing List Discussions for CVE-2021-29923 (1)
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4CHKSFMHZVOBCZSSVRE3UEYNKARTBMTM/ vendor-advisory x_refsource_FEDORA
Other References for CVE-2021-29923 (6)
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https://github.com/golang/go/issues/43389 x_refsource_MISC
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https://go-review.googlesource.com/c/go/+/325829/ x_refsource_MISC
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https://golang.org/pkg/net/#ParseCIDR x_refsource_MISC
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https://github.com/golang/go/issues/30999 x_refsource_MISC
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https://defcon.org/html/defcon-29/dc-29-speakers.html#kaoudis x_refsource_MISC
Same Patch Batch · n/a · 2021-08-07 · 12 CVEs total
| CVE-2021-38173 | btrbk 命令注入漏洞 | |
| CVE-2021-38168 | Roxy-WI SQL注入漏洞 | |
| CVE-2021-38169 | Roxy-WI 命令注入漏洞 | |
| CVE-2021-38167 | Roxy-WI SQL注入漏洞 | |
| CVE-2021-38166 | Linux kernel 输入验证错误漏洞 | |
| CVE-2021-38165 | Lynx 安全漏洞 | |
| CVE-2021-38159 | Progress Software MOVEit Transfer SQL注入漏洞 | |
| CVE-2021-38160 | Linux kernel 安全漏洞 | |
| CVE-2021-38148 | Obsidian 安全漏洞 | |
| CVE-2021-29922 | Rust 安全漏洞 | |
| CVE-2021-38185 | cpio 输入验证错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-29923
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