CVE-2021-38604
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.
GNU C Library（glibc，libc6）是一种按照LGPL许可协议发布的开源免费的C语言编译程序。 GNU C Library（又名 glibc） 2.34版本及之前版本的 librt 中存在安全漏洞，该漏洞源于sysdeps/unix/sysv/linux/mq_notify.c 错误处理了某些 NOTIFY_REMOVED 数据，导致空指针取消引用。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-38604
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In librt in the GNU C Library (aka glibc) through 2.34, sysdeps/unix/sysv/linux/mq_notify.c mishandles certain NOTIFY_REMOVED data, leading to a NULL pointer dereference. NOTE: this vulnerability was introduced as a side effect of the CVE-2021-33574 fix.
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
GNU C Library 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU C Library（glibc，libc6）是一种按照LGPL许可协议发布的开源免费的C语言编译程序。 GNU C Library（又名 glibc） 2.34版本及之前版本的 librt 中存在安全漏洞，该漏洞源于sysdeps/unix/sysv/linux/mq_notify.c 错误处理了某些 NOTIFY_REMOVED 数据，导致空指针取消引用。
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 | - |
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II. Public POCs for CVE-2021-38604
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-38604 (3)
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https://www.oracle.com/security-alerts/cpujul2022.html x_refsource_MISC
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https://security.netapp.com/advisory/ntap-20210909-0005/ x_refsource_CONFIRM
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Security Blog Posts for CVE-2021-38604 (1)
Other References for CVE-2021-38604 (3)
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https://sourceware.org/bugzilla/show_bug.cgi?id=28213 x_refsource_MISC
Same Patch Batch · n/a · 2021-08-12 · 58 CVEs total
| CVE-2021-20314 | libspf2 缓冲区错误漏洞 | |
| CVE-2020-28165 | Nature Easy Soft Network Technology ZenTao 代码问题漏洞 | |
| CVE-2021-38592 | Wasm3 缓冲区错误漏洞 | |
| CVE-2021-37222 | RCDCAP 安全漏洞 | |
| CVE-2020-24576 | Netskope Client 安全漏洞 | |
| CVE-2020-22403 | express-cart 跨站请求伪造漏洞 | |
| CVE-2021-38597 | wolfSSL 数据伪造问题漏洞 | |
| CVE-2021-27790 | Brocade Fabric OS 缓冲区错误漏洞 | |
| CVE-2021-27791 | Brocade Fabric OS 缓冲区错误漏洞 | |
| CVE-2021-35955 | Contao 跨站脚本漏洞 | |
| CVE-2021-27794 | Brocade Fabric OS 授权问题漏洞 | |
| CVE-2020-20975 | Gxlcms SQL注入漏洞 | |
| CVE-2020-20977 | UK CMS 跨站脚本漏洞 | |
| CVE-2020-20979 | LJCMS 代码问题漏洞 | |
| CVE-2020-20981 | Metinfo MetInfo SQL注入漏洞 | |
| CVE-2021-38599 | WAL-G 代码问题漏洞 | |
| CVE-2021-38606 | reNgine 安全特征问题漏洞 | |
| CVE-2020-18445 | YUNUCMS 跨站脚本漏洞 | |
| CVE-2020-18446 | YUNUCMS 跨站脚本漏洞 | |
| CVE-2020-18449 | UKCMS 跨站脚本漏洞 |
Showing top 20 of 58 CVEs. View all on vendor page → →
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Same vendor: n/a
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V. Comments for CVE-2021-38604
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