CentOS ProjectCESA-2020:2040squid security update
CVSS2
Attack Vector
NETWORK
Attack 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
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
95.7%
CentOS Errata and Security Advisory CESA-2020:2040
Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
Security Fix(es):
-
squid: improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow (CVE-2019-12519)
-
squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution (CVE-2020-11945)
-
squid: parsing of header Proxy-Authentication leads to memory corruption (CVE-2019-12525)
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-announce/2020-May/085865.html
Affected packages:
squid
squid-migration-script
squid-sysvinit
Upstream details at:
https://access.redhat.com/errata/RHSA-2020:2040
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| CentOS | 7 | x86_64 | squid | < 3.5.20-15.el7_8.1 | squid-3.5.20-15.el7_8.1.x86_64.rpm |
| CentOS | 7 | x86_64 | squid-migration-script | < 3.5.20-15.el7_8.1 | squid-migration-script-3.5.20-15.el7_8.1.x86_64.rpm |
| CentOS | 7 | x86_64 | squid-sysvinit | < 3.5.20-15.el7_8.1 | squid-sysvinit-3.5.20-15.el7_8.1.x86_64.rpm |
Related
CVSS2
Attack Vector
NETWORK
Attack 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
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
95.7%