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CVE-2020-8037— ppp decapsulator can be convinced to allocate a large amount of memory

Quick assessment

Affected
The TCPdump Group tcpdump
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.

tcpdump是Tcpdump团队的一套运行在命令行下的嗅探工具。该工具主要用于数据包分析和网络流量捕获等。 tcpdump 4.9.3版本中的ppp decapsulator存在安全漏洞，该漏洞可造成目标系统分配大量内存。

AI Predicted 5.3 Difficulty: Easy EPSS 3.11% · P87

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2020-8037

Vulnerability Information
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Vulnerability Title
ppp decapsulator can be convinced to allocate a large amount of memory
Source: CVE Program / CVE List V5
Vulnerability Description
The ppp decapsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory.
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
tcpdump 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
tcpdump是Tcpdump团队的一套运行在命令行下的嗅探工具。该工具主要用于数据包分析和网络流量捕获等。 tcpdump 4.9.3版本中的ppp decapsulator存在安全漏洞，该漏洞可造成目标系统分配大量内存。
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
The TCPdump Group tcpdump 4.9.3 -

II. Public POCs for CVE-2020-8037

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III. Intelligence Information for CVE-2020-8037

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Patches & Fixes for CVE-2020-8037 (1)

Vendor Advisories for CVE-2020-8037 (3)

Mailing List Discussions for CVE-2020-8037 (3)

IV. Related Vulnerabilities

Same product: tcpdump
Same vendor: The TCPdump Group

V. Comments for CVE-2020-8037

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