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CVE-2021-46828

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.

LIBTIRPC是一个使用在Linux系统中的包含支持使用远程过程调用（RPC）API程序的库的软件包。 LIBTIRPC 1.3.3rc1之前版本存在安全漏洞，该漏洞源于远程攻击者可以耗尽使用libtirpc进程的文件描述符，因为空闲的TCP连接处理不当。这反过来会导致svc_run无限循环而不接受新的连接。

AI Predicted 7.5 Difficulty: Moderate EPSS 2.86% · P86

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2021-46828

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are mishandled. This can, in turn, lead to an svc_run infinite loop without accepting new connections.
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
LIBTIRPC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LIBTIRPC是一个使用在Linux系统中的包含支持使用远程过程调用（RPC）API程序的库的软件包。 LIBTIRPC 1.3.3rc1之前版本存在安全漏洞，该漏洞源于远程攻击者可以耗尽使用libtirpc进程的文件描述符，因为空闲的TCP连接处理不当。这反过来会导致svc_run无限循环而不接受新的连接。
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-2021-46828

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III. Intelligence Information for CVE-2021-46828

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Vendor Advisories for CVE-2021-46828 (2)

Mailing List Discussions for CVE-2021-46828 (1)

Other References for CVE-2021-46828 (1)

Same Patch Batch · n/a · 2022-07-20 · 29 CVEs total

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CVE-2022-34604 H3C Magic R200 缓冲区错误漏洞

Showing top 20 of 29 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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