CVE-2021-23772— Arbitrary File Write
Quick assessment
Affected
n/a github.com/kataras/iris
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.
Iris是一个快速、简单但功能齐全且非常高效的 Go 网络框架。 iris 12版本存在安全漏洞，该漏洞源于程序使用UploadFormFiles方法在上传过程中对文件名的不安全处理可能使攻击者能够写入指定目标文件夹之外的任意位置。
Possible ATT&CK Techniques 1 AI
T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-23772
Vulnerability Information
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Vulnerability Title
Arbitrary File Write
Source: CVE Program / CVE List V5
Vulnerability Description
This affects all versions of package github.com/kataras/iris; all versions of package github.com/kataras/iris/v12. The unsafe handling of file names during upload using UploadFormFiles method may enable attackers to write to arbitrary locations outside the designated target folder.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Iris 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Iris是一个快速、简单但功能齐全且非常高效的 Go 网络框架。 iris 12版本存在安全漏洞，该漏洞源于程序使用UploadFormFiles方法在上传过程中对文件名的不安全处理可能使攻击者能够写入指定目标文件夹之外的任意位置。
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 |
|---|---|---|---|---|
| - | github.com/kataras/iris | 0 ~ unspecified | - |
|
| - | github.com/kataras/iris/v12 | 0 ~ unspecified | - |
|
II. Public POCs for CVE-2021-23772
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2021-23772 (1)
Vendor Advisories for CVE-2021-23772 (2)
-
https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMKATARASIRIS-2325169 x_refsource_MISC
-
https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMKATARASIRISV12-2325170 x_refsource_MISC
Same Patch Batch · n/a · 2021-12-24 · 8 CVEs total
| CVE-2021-23490 | 7.5 HIGH | Regular Expression Denial of Service (ReDoS) |
| CVE-2021-23574 | 7.5 HIGH | Prototype Pollution |
| CVE-2021-45480 | Linux kernel 安全漏洞 | |
| CVE-2021-45471 | MediaWiki 安全漏洞 | |
| CVE-2021-45472 | MediaWiki 跨站脚本漏洞 | |
| CVE-2021-45473 | MediaWiki 跨站脚本漏洞 | |
| CVE-2021-45474 | MediaWiki 跨站脚本漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-23772
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