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Red Hat Security Advisory

Synopsis: Moderate: curl security and bug fix update
Advisory ID: RHSA-2020:5417-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5417
Issue date: 2020-12-15
CVE Names: CVE-2020-8177
=====================================================================

1. Summary:

An update for curl is now available for Red Hat Enterprise Linux 8.2
Extended Update Support.

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 BaseOS EUS (v. 8.2) – aarch64, ppc64le, s390x, x86_64

3. Description:

The curl packages provide the libcurl library and the curl utility for
downloading files from servers using various protocols, including HTTP,
FTP, and LDAP.

Security Fix(es):

* curl: Incorrect argument check can allow remote servers to overwrite
local files (CVE-2020-8177)

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.

Bug Fix(es):

* libcurl: Segfault when HTTPS_PROXY and NO_PROXY is used together
(BZ#1900103)

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

5. Bugs fixed (https://bugzilla.redhat.com/):

1847915 – CVE-2020-8177 curl: Incorrect argument check can allow remote servers to overwrite local files
1900103 – libcurl: Segfault when HTTPS_PROXY and NO_PROXY is used together [rhel-8.2.0.z]

6. Package List:

Red Hat Enterprise Linux BaseOS EUS (v. 8.2):

Source:
curl-7.61.1-12.el8_2.2.src.rpm

aarch64:
curl-7.61.1-12.el8_2.2.aarch64.rpm
curl-debuginfo-7.61.1-12.el8_2.2.aarch64.rpm
curl-debugsource-7.61.1-12.el8_2.2.aarch64.rpm
curl-minimal-debuginfo-7.61.1-12.el8_2.2.aarch64.rpm
libcurl-7.61.1-12.el8_2.2.aarch64.rpm
libcurl-debuginfo-7.61.1-12.el8_2.2.aarch64.rpm
libcurl-devel-7.61.1-12.el8_2.2.aarch64.rpm
libcurl-minimal-7.61.1-12.el8_2.2.aarch64.rpm
libcurl-minimal-debuginfo-7.61.1-12.el8_2.2.aarch64.rpm

ppc64le:
curl-7.61.1-12.el8_2.2.ppc64le.rpm
curl-debuginfo-7.61.1-12.el8_2.2.ppc64le.rpm
curl-debugsource-7.61.1-12.el8_2.2.ppc64le.rpm
curl-minimal-debuginfo-7.61.1-12.el8_2.2.ppc64le.rpm
libcurl-7.61.1-12.el8_2.2.ppc64le.rpm
libcurl-debuginfo-7.61.1-12.el8_2.2.ppc64le.rpm
libcurl-devel-7.61.1-12.el8_2.2.ppc64le.rpm
libcurl-minimal-7.61.1-12.el8_2.2.ppc64le.rpm
libcurl-minimal-debuginfo-7.61.1-12.el8_2.2.ppc64le.rpm

s390x:
curl-7.61.1-12.el8_2.2.s390x.rpm
curl-debuginfo-7.61.1-12.el8_2.2.s390x.rpm
curl-debugsource-7.61.1-12.el8_2.2.s390x.rpm
curl-minimal-debuginfo-7.61.1-12.el8_2.2.s390x.rpm
libcurl-7.61.1-12.el8_2.2.s390x.rpm
libcurl-debuginfo-7.61.1-12.el8_2.2.s390x.rpm
libcurl-devel-7.61.1-12.el8_2.2.s390x.rpm
libcurl-minimal-7.61.1-12.el8_2.2.s390x.rpm
libcurl-minimal-debuginfo-7.61.1-12.el8_2.2.s390x.rpm

x86_64:
curl-7.61.1-12.el8_2.2.x86_64.rpm
curl-debuginfo-7.61.1-12.el8_2.2.i686.rpm
curl-debuginfo-7.61.1-12.el8_2.2.x86_64.rpm
curl-debugsource-7.61.1-12.el8_2.2.i686.rpm
curl-debugsource-7.61.1-12.el8_2.2.x86_64.rpm
curl-minimal-debuginfo-7.61.1-12.el8_2.2.i686.rpm
curl-minimal-debuginfo-7.61.1-12.el8_2.2.x86_64.rpm
libcurl-7.61.1-12.el8_2.2.i686.rpm
libcurl-7.61.1-12.el8_2.2.x86_64.rpm
libcurl-debuginfo-7.61.1-12.el8_2.2.i686.rpm
libcurl-debuginfo-7.61.1-12.el8_2.2.x86_64.rpm
libcurl-devel-7.61.1-12.el8_2.2.i686.rpm
libcurl-devel-7.61.1-12.el8_2.2.x86_64.rpm
libcurl-minimal-7.61.1-12.el8_2.2.i686.rpm
libcurl-minimal-7.61.1-12.el8_2.2.x86_64.rpm
libcurl-minimal-debuginfo-7.61.1-12.el8_2.2.i686.rpm
libcurl-minimal-debuginfo-7.61.1-12.el8_2.2.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-2020-8177
https://access.redhat.com/security/updates/classification/#moderate

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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