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===================================================================== Red Hat Security Advisory
Synopsis: Moderate: squid security and bug fix update Advisory ID: RHSA-2020:1068-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:1068 Issue date: 2020-03-31 CVE Names: CVE-2018-1000024 CVE-2018-1000027 CVE-2019-13345 =====================================================================
1. Summary:
An update for squid is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
3. Description:
Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
Security Fix(es):
* squid: Incorrect pointer handling when processing ESI Responses can lead to denial of service (CVE-2018-1000024)
* squid: Incorrect pointer handling in HTTP processing and certificate download can lead to denial of service (CVE-2018-1000027)
* squid: XSS via user_name or auth parameter in cachemgr.cgi (CVE-2019-13345)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.
4. Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
After installing this update, the squid service will be restarted automatically.
5. Bugs fixed (https://bugzilla.redhat.com/):
1536939 - CVE-2018-1000024 squid: Incorrect pointer handling when processing ESI Responses can lead to denial of service 1536942 - CVE-2018-1000027 squid: Incorrect pointer handling in HTTP processing and certificate download can lead to denial of service 1680022 - squid can't display download/upload packet size for HTTPS sites 1717430 - Excessive memory usage when running out of descriptors 1727744 - CVE-2019-13345 squid: XSS via user_name or auth parameter in cachemgr.cgi
6. Package List:
Red Hat Enterprise Linux Server (v. 7):
Source: squid-3.5.20-15.el7.src.rpm
ppc64: squid-3.5.20-15.el7.ppc64.rpm squid-debuginfo-3.5.20-15.el7.ppc64.rpm squid-migration-script-3.5.20-15.el7.ppc64.rpm
ppc64le: squid-3.5.20-15.el7.ppc64le.rpm squid-debuginfo-3.5.20-15.el7.ppc64le.rpm squid-migration-script-3.5.20-15.el7.ppc64le.rpm
s390x: squid-3.5.20-15.el7.s390x.rpm squid-debuginfo-3.5.20-15.el7.s390x.rpm squid-migration-script-3.5.20-15.el7.s390x.rpm
x86_64: squid-3.5.20-15.el7.x86_64.rpm squid-debuginfo-3.5.20-15.el7.x86_64.rpm squid-migration-script-3.5.20-15.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64: squid-debuginfo-3.5.20-15.el7.ppc64.rpm squid-sysvinit-3.5.20-15.el7.ppc64.rpm
ppc64le: squid-debuginfo-3.5.20-15.el7.ppc64le.rpm squid-sysvinit-3.5.20-15.el7.ppc64le.rpm
s390x: squid-debuginfo-3.5.20-15.el7.s390x.rpm squid-sysvinit-3.5.20-15.el7.s390x.rpm
x86_64: squid-debuginfo-3.5.20-15.el7.x86_64.rpm squid-sysvinit-3.5.20-15.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: squid-3.5.20-15.el7.src.rpm
x86_64: squid-3.5.20-15.el7.x86_64.rpm squid-debuginfo-3.5.20-15.el7.x86_64.rpm squid-migration-script-3.5.20-15.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64: squid-debuginfo-3.5.20-15.el7.x86_64.rpm squid-sysvinit-3.5.20-15.el7.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2018-1000024 https://access.redhat.com/security/cve/CVE-2018-1000027 https://access.redhat.com/security/cve/CVE-2019-13345 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.8_release_notes/index
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
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