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Sicherheit: Zwei Probleme in squid4
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in squid4
ID: RHSA-2020:2039-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Mi, 6. Mai 2020, 19:00
Referenzen: https://access.redhat.com/security/cve/CVE-2020-11945
https://access.redhat.com/security/cve/CVE-2019-12519
Applikationen: Squid

Originalnachricht

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=====================================================================
Red Hat Security Advisory

Synopsis: Important: squid:4 security update
Advisory ID: RHSA-2020:2039-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2039
Issue date: 2020-05-06
CVE Names: CVE-2019-12519 CVE-2020-11945
=====================================================================

1. Summary:

An update for the squid:4 module is now available for Red Hat Enterprise
Linux 8.1 Extended Update Support.

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 EUS (v. 8.1) - 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: 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)

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/):

1827552 - CVE-2019-12519 squid: improper check for new member in
ESIExpression::Evaluate allows for stack buffer overflow
1827563 - CVE-2020-11945 squid: improper access restriction upon Digest
Authentication nonce replay could lead to remote code execution

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v. 8.1):

Source:
libecap-1.0.1-2.module+el8.1.0+4044+36416a77.src.rpm
squid-4.4-8.module+el8.1.0+6436+af881f9b.1.src.rpm

aarch64:
libecap-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm
libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm
libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm
libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm
squid-4.4-8.module+el8.1.0+6436+af881f9b.1.aarch64.rpm
squid-debuginfo-4.4-8.module+el8.1.0+6436+af881f9b.1.aarch64.rpm
squid-debugsource-4.4-8.module+el8.1.0+6436+af881f9b.1.aarch64.rpm

ppc64le:
libecap-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm
libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm
libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm
libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm
squid-4.4-8.module+el8.1.0+6436+af881f9b.1.ppc64le.rpm
squid-debuginfo-4.4-8.module+el8.1.0+6436+af881f9b.1.ppc64le.rpm
squid-debugsource-4.4-8.module+el8.1.0+6436+af881f9b.1.ppc64le.rpm

s390x:
libecap-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm
libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm
libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm
libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm
squid-4.4-8.module+el8.1.0+6436+af881f9b.1.s390x.rpm
squid-debuginfo-4.4-8.module+el8.1.0+6436+af881f9b.1.s390x.rpm
squid-debugsource-4.4-8.module+el8.1.0+6436+af881f9b.1.s390x.rpm

x86_64:
libecap-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm
libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm
libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm
libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm
squid-4.4-8.module+el8.1.0+6436+af881f9b.1.x86_64.rpm
squid-debuginfo-4.4-8.module+el8.1.0+6436+af881f9b.1.x86_64.rpm
squid-debugsource-4.4-8.module+el8.1.0+6436+af881f9b.1.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-2019-12519
https://access.redhat.com/security/cve/CVE-2020-11945
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 2020 Red Hat, Inc.
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