Buffer Overflow Vulnerability in Squid Reverse Proxy Software
CVE-2020-8450

7.3HIGH

Key Information:

Vendor

Squid-cache

Status
Squid
Vendor
CVE Published:
4 February 2020

What is CVE-2020-8450?

A buffer overflow vulnerability exists in Squid web proxy software versions prior to 4.10. This issue arises from improper buffer management, allowing a remote attacker to exploit the vulnerability by sending specially crafted requests to a Squid instance configured as a reverse proxy. Successful exploitation can lead to system instability or potential execution of arbitrary code, posing serious security risks to affected systems. Users are urged to update to the latest versions to mitigate the risks associated with this vulnerability.

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References

http://www.squid-cache.org/Advisories/SQUID-2020_1.txt
x_refsource_MISC
http://www.squid-cache.org/Versions/v4/changesets/squid-4...
x_refsource_MISC
http://www.squid-cache.org/Versions/v3/3.5/changesets/squ...
x_refsource_MISC

EPSS Score

46% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.3
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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