CVE-2021-21815
Quick assessment
Affected
n/a AT&T
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.
AT&T Labs Xmill是美国AT&T Labs实验室的一种用于高效压缩 XML 数据的新工具。 AT&T Labs Xmill存在缓冲区错误漏洞，该漏洞的存在是由于strcpy中的命令行解析HandleFileArg功能中的边界错误。本地用户可以使用一个特别制作的命令行参数，触发内存损坏并在目标系统上执行任意代码。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-21815
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A stack-based buffer overflow vulnerability exists in the command-line-parsing HandleFileArg functionality of AT&T Labs' Xmill 0.7. Within the function HandleFileArg the argument filepattern is under control of the user who passes it in from the command line. filepattern is passed directly to strcpy copying the path provided by the user into a staticly sized buffer without any length checks resulting in a stack-buffer overflow. An attacker can provide malicious input to trigger this vulnerability.
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
AT&T Labs Xmill 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AT&T Labs Xmill是美国AT&T Labs实验室的一种用于高效压缩 XML 数据的新工具。 AT&T Labs Xmill存在缓冲区错误漏洞，该漏洞的存在是由于strcpy中的命令行解析HandleFileArg功能中的边界错误。本地用户可以使用一个特别制作的命令行参数，触发内存损坏并在目标系统上执行任意代码。
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 |
|---|---|---|---|---|
| - | AT&T | AT&T Labs Xmill 0.7 | - |
|
II. Public POCs for CVE-2021-21815
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-21815 (1)
-
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1280 x_refsource_MISC
Same Patch Batch · n/a · 2021-08-13 · 57 CVEs total
| CVE-2021-31399 | 4.6 MEDIUM | 2N Access Unit 信任管理问题漏洞 |
| CVE-2020-18756 | MAC1100 PLC 缓冲区错误漏洞 | |
| CVE-2021-38302 | TYPO3 SQL注入漏洞 | |
| CVE-2020-21066 | Bento4 缓冲区错误漏洞 | |
| CVE-2021-21829 | AT&T Labs Xmill 缓冲区错误漏洞 | |
| CVE-2021-21830 | AT&T Labs Xmill 缓冲区错误漏洞 | |
| CVE-2021-21812 | AT&T Labs Xmill 缓冲区错误漏洞 | |
| CVE-2020-18759 | MAC1100 PLC 信息泄露漏洞 | |
| CVE-2020-18758 | MAC1100 PLC 命令注入漏洞 | |
| CVE-2020-18757 | MAC1100 PLC 安全漏洞 | |
| CVE-2021-36785 | TYPO3 跨站脚本漏洞 | |
| CVE-2020-18754 | MAC1100 PLC 信息泄露漏洞 | |
| CVE-2020-18753 | MAC1100 PLC 安全漏洞 | |
| CVE-2021-36792 | TYPO3 安全漏洞 | |
| CVE-2021-36791 | TYPO3 信息泄露漏洞 | |
| CVE-2021-36790 | TYPO3 跨站脚本漏洞 | |
| CVE-2021-36789 | TYPO3 SQL注入漏洞 | |
| CVE-2021-36380 | Sunhillo SureLine 操作系统命令注入漏洞 | |
| CVE-2021-37028 | HG8045Q 操作系统命令注入漏洞 | |
| CVE-2021-38553 | Hashicorp HashiCorp Vault 安全特征问题漏洞 |
Showing top 20 of 57 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-21815
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