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AUSCERT External Security Bulletin Redistribution
ESB-2019.3319
Important: squid:4 security update
3 September 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: squid:4
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 8
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-12527
Reference: ESB-2019.3226
ESB-2019.2692
ESB-2019.2609
Original Bulletin:
https://access.redhat.com/errata/RHSA-2019:2593
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Red Hat Security Advisory
Synopsis: Important: squid:4 security update
Advisory ID: RHSA-2019:2593-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2593
Issue date: 2019-09-02
CVE Names: CVE-2019-12527
=====================================================================
1. Summary:
An update for the squid:4 module is now available for Red Hat Enterprise
Linux 8.
Red Hat Product Security has rated this update as having a security impact
of Important. 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 AppStream (v. 8) - aarch64, ppc64le, s390x, 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: heap-based buffer overflow in HttpHeader::getAuth (CVE-2019-12527)
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.
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/):
1730533 - CVE-2019-12527 squid: heap-based buffer overflow in HttpHeader::getAuth
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source:
libecap-1.0.1-2.module+el8.0.0+4045+70edde92.src.rpm
squid-4.4-5.module+el8.0.0+4045+70edde92.src.rpm
aarch64:
libecap-1.0.1-2.module+el8.0.0+4045+70edde92.aarch64.rpm
libecap-debuginfo-1.0.1-2.module+el8.0.0+4045+70edde92.aarch64.rpm
libecap-debugsource-1.0.1-2.module+el8.0.0+4045+70edde92.aarch64.rpm
libecap-devel-1.0.1-2.module+el8.0.0+4045+70edde92.aarch64.rpm
squid-4.4-5.module+el8.0.0+4045+70edde92.aarch64.rpm
squid-debuginfo-4.4-5.module+el8.0.0+4045+70edde92.aarch64.rpm
squid-debugsource-4.4-5.module+el8.0.0+4045+70edde92.aarch64.rpm
ppc64le:
libecap-1.0.1-2.module+el8.0.0+4045+70edde92.ppc64le.rpm
libecap-debuginfo-1.0.1-2.module+el8.0.0+4045+70edde92.ppc64le.rpm
libecap-debugsource-1.0.1-2.module+el8.0.0+4045+70edde92.ppc64le.rpm
libecap-devel-1.0.1-2.module+el8.0.0+4045+70edde92.ppc64le.rpm
squid-4.4-5.module+el8.0.0+4045+70edde92.ppc64le.rpm
squid-debuginfo-4.4-5.module+el8.0.0+4045+70edde92.ppc64le.rpm
squid-debugsource-4.4-5.module+el8.0.0+4045+70edde92.ppc64le.rpm
s390x:
libecap-1.0.1-2.module+el8.0.0+4045+70edde92.s390x.rpm
libecap-debuginfo-1.0.1-2.module+el8.0.0+4045+70edde92.s390x.rpm
libecap-debugsource-1.0.1-2.module+el8.0.0+4045+70edde92.s390x.rpm
libecap-devel-1.0.1-2.module+el8.0.0+4045+70edde92.s390x.rpm
squid-4.4-5.module+el8.0.0+4045+70edde92.s390x.rpm
squid-debuginfo-4.4-5.module+el8.0.0+4045+70edde92.s390x.rpm
squid-debugsource-4.4-5.module+el8.0.0+4045+70edde92.s390x.rpm
x86_64:
libecap-1.0.1-2.module+el8.0.0+4045+70edde92.x86_64.rpm
libecap-debuginfo-1.0.1-2.module+el8.0.0+4045+70edde92.x86_64.rpm
libecap-debugsource-1.0.1-2.module+el8.0.0+4045+70edde92.x86_64.rpm
libecap-devel-1.0.1-2.module+el8.0.0+4045+70edde92.x86_64.rpm
squid-4.4-5.module+el8.0.0+4045+70edde92.x86_64.rpm
squid-debuginfo-4.4-5.module+el8.0.0+4045+70edde92.x86_64.rpm
squid-debugsource-4.4-5.module+el8.0.0+4045+70edde92.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-2019-12527
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
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