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CVE detail

CVE-2020-7461

In FreeBSD 12.1-STABLE before r365010, 11.4-STABLE before r365011, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, dhclient(8) fails to handle certain malformed input related to handling of DHCP option 119 resulting a heap overflow. The heap overflow could in principle be exploited to achieve remote code execution. The affected process runs with reduced privileges in a Capsicum sandbox, limiting the immediate impact of an exploit.

CVSS 7.3 · HighBuzz score 17.5

Buzz score

Why this CVE is surfacing

Buzz score total 17.5

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 11.0 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
11.0
2 evidence mentions in the snapshot
Diversity score
6.5
2 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
2 source links · newest first
  • Popular TCP/IP stacks are affected by a series of Domain Name System (DNS) vulnerabilities that could be exploited to take control of impacted devices, researchers with IoT security firm Forescout reveal.

    newswww.securityweek.comApr 14, 2021, 3:40 AM
  • Millions of devices impacted by NAME:WRECK flawsSecurity Affairs

    Security experts disclosed nine flaws, collectively tracked as NAME:WRECK, affecting implementations of the DNS protocol in popular TCP/IP network communication stacks. Security researchers disclosed nine vulnerabilities, collectively tracked as NAME:WRECK, that affect implementations of the Domain Name System protocol in popular TCP/IP network communication stacks running on at least 100 million devices. The flaws were […]

    newssecurityaffairs.comApr 13, 2021, 2:00 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

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