CVE-2020-8449

HIGH

Squid < 4.10 - Security Filter Bypass via Crafted HTTP Request

Title source: llm
STIX 2.1

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.

References (15)

Core 15
Core References
Patch, Vendor Advisory x_refsource_misc
http://www.squid-cache.org/Advisories/SQUID-2020_1.txt
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4289-1/
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00012.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202003-34
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00010.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2020/dsa-4682
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210304-0002/

Scores

CVSS v3 7.5
EPSS 0.0396
EPSS Percentile 88.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-668
Status published
Products (9)
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 19.10
debian/debian_linux 9.0
debian/debian_linux 10.0
fedoraproject/fedora 30
fedoraproject/fedora 31
opensuse/leap 15.1
squid-cache/squid < 4.10
Published Feb 04, 2020
Tracked Since Feb 18, 2026