8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.931 High
EPSS
Percentile
99.0%
CentOS Errata and Security Advisory CESA-2020:4082
Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
Security Fix(es):
squid: HTTP Request Smuggling could result in cache poisoning (CVE-2020-15810)
squid: HTTP Request Splitting could result in cache poisoning (CVE-2020-15811)
squid: Information Disclosure issue in FTP Gateway (CVE-2019-12528)
squid: Improper input validation issues in HTTP Request processing (CVE-2020-8449)
squid: Buffer overflow in reverse-proxy configurations (CVE-2020-8450)
squid: Request smuggling and poisoning attack against the HTTP cache (CVE-2020-15049)
squid: Improper input validation could result in a DoS (CVE-2020-24606)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-cr-announce/2020-November/032956.html
Affected packages:
squid
squid-migration-script
squid-sysvinit
Upstream details at:
https://access.redhat.com/errata/RHSA-2020:4082
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
CentOS | 7 | x86_64 | squid | <Â 3.5.20-17.el7_9.4 | squid-3.5.20-17.el7_9.4.x86_64.rpm |
CentOS | 7 | x86_64 | squid-migration-script | <Â 3.5.20-17.el7_9.4 | squid-migration-script-3.5.20-17.el7_9.4.x86_64.rpm |
CentOS | 7 | x86_64 | squid-sysvinit | <Â 3.5.20-17.el7_9.4 | squid-sysvinit-3.5.20-17.el7_9.4.x86_64.rpm |
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.931 High
EPSS
Percentile
99.0%