CVE-2020-8449

Description

An issue was discovered in Squid before 4.10. Due to incorrect input validation, it can interpret crafted HTTP requests in unexpected ways to access server resources prohibited by earlier security filters.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 8.90% Top 10%
Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory squid-cache.org Vendor Advisory squid-cache.org Vendor Advisory squid-cache.org Vendor Advisory squid-cache.org Vendor Advisory squid-cache.org Vendor Advisory squid-cache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.squid-cache.org/Advisories/SQUID-2020_1.txt patch vendor advisory
http://www.squid-cache.org/Versions/v4/changesets/squid-4-d8e4715992d0e530871519549add5519cbac0598.patch patch vendor advisory
http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-8e657e835965c3a011375feaa0359921c5b3e2dd.patch patch vendor advisory
http://www.squid-cache.org/Versions/v4/changesets/squid-4-b3a0719affab099c684f1cd62b79ab02816fa962.patch patch vendor advisory
http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_1.patch patch vendor advisory
http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2020_1.patch patch vendor advisory
https://usn.ubuntu.com/4289-1/ third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00012.html mailing list third party advisory vendor advisory
https://security.gentoo.org/glsa/202003-34 third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G6W2IQ7QV2OGREFFUBNVZIDD3RJBDE4R/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TSU6SPANL27AGK5PCGBJOKG4LUWA555J/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html mailing list third party advisory vendor advisory
https://www.debian.org/security/2020/dsa-4682 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html third party advisory mailing list
https://security.netapp.com/advisory/ntap-20210304-0002/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-8449?
CVE-2020-8449 has been scored as a high severity vulnerability.
How to fix CVE-2020-8449?
To fix CVE-2020-8449, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-8449 being actively exploited in the wild?
It is possible that CVE-2020-8449 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~9% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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