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CVE-2021-43612

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.

lldpd是一款能够接收和发送LLDP帧的守护程序。 lldpd存在安全漏洞，该漏洞源于读取SONMP报文时边界错误，导致漏洞存在。远程用户可以向应用程序发送特制的数据包，触发基于堆的缓冲区溢出，并在目标系统上执行任意代码。该漏洞允许远程用户在目标系统上执行任意代码。

AI Predicted 5.3 Difficulty: Moderate EPSS 1.14% · P65

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-43612

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In lldpd before 1.0.13, when decoding SONMP packets in the sonmp_decode function, it's possible to trigger an out-of-bounds heap read via short SONMP packets.
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
lldpd 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
lldpd是一款能够接收和发送LLDP帧的守护程序。 lldpd存在安全漏洞，该漏洞源于读取SONMP报文时边界错误，导致漏洞存在。远程用户可以向应用程序发送特制的数据包，触发基于堆的缓冲区溢出，并在目标系统上执行任意代码。该漏洞允许远程用户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
- n/a n/a -

II. Public POCs for CVE-2021-43612

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-43612

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Patches & Fixes for CVE-2021-43612 (1)

Mailing List Discussions for CVE-2021-43612 (3)

Security Blog Posts for CVE-2021-43612 (1)

Other References for CVE-2021-43612 (1)

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Showing top 20 of 35 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-43612

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