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Red Hat Security Advisory 2020-1020-01

Red Hat Security Advisory 2020-1020-01
Posted Mar 31, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1020-01 - The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP. Issues addressed include a buffer overflow vulnerability.

tags | advisory, web, overflow, protocol
systems | linux, redhat
advisories | CVE-2019-5436
SHA-256 | e42ea9865f21410f6c7489768bebc2d14c873926310715fb2301e4a04f0ffd37

Red Hat Security Advisory 2020-1020-01

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Hash: SHA256

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

Synopsis: Low: curl security and bug fix update
Advisory ID: RHSA-2020:1020-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1020
Issue date: 2020-03-31
CVE Names: CVE-2019-5436
=====================================================================

1. Summary:

An update for curl is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Low. 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 Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - 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: TFTP receive heap buffer overflow in tftp_receive_packet() function
(CVE-2019-5436)

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

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

1710620 - CVE-2019-5436 curl: TFTP receive heap buffer overflow in tftp_receive_packet() function
1754736 - curl does not send Authorization header when receiving WWW-Authenticate header twice
1769307 - curl fails while attempting to POST a char device

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
curl-7.29.0-57.el7.src.rpm

x86_64:
curl-7.29.0-57.el7.x86_64.rpm
curl-debuginfo-7.29.0-57.el7.i686.rpm
curl-debuginfo-7.29.0-57.el7.x86_64.rpm
libcurl-7.29.0-57.el7.i686.rpm
libcurl-7.29.0-57.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
curl-debuginfo-7.29.0-57.el7.i686.rpm
curl-debuginfo-7.29.0-57.el7.x86_64.rpm
libcurl-devel-7.29.0-57.el7.i686.rpm
libcurl-devel-7.29.0-57.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
curl-7.29.0-57.el7.src.rpm

x86_64:
curl-7.29.0-57.el7.x86_64.rpm
curl-debuginfo-7.29.0-57.el7.i686.rpm
curl-debuginfo-7.29.0-57.el7.x86_64.rpm
libcurl-7.29.0-57.el7.i686.rpm
libcurl-7.29.0-57.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
curl-debuginfo-7.29.0-57.el7.i686.rpm
curl-debuginfo-7.29.0-57.el7.x86_64.rpm
libcurl-devel-7.29.0-57.el7.i686.rpm
libcurl-devel-7.29.0-57.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
curl-7.29.0-57.el7.src.rpm

ppc64:
curl-7.29.0-57.el7.ppc64.rpm
curl-debuginfo-7.29.0-57.el7.ppc.rpm
curl-debuginfo-7.29.0-57.el7.ppc64.rpm
libcurl-7.29.0-57.el7.ppc.rpm
libcurl-7.29.0-57.el7.ppc64.rpm
libcurl-devel-7.29.0-57.el7.ppc.rpm
libcurl-devel-7.29.0-57.el7.ppc64.rpm

ppc64le:
curl-7.29.0-57.el7.ppc64le.rpm
curl-debuginfo-7.29.0-57.el7.ppc64le.rpm
libcurl-7.29.0-57.el7.ppc64le.rpm
libcurl-devel-7.29.0-57.el7.ppc64le.rpm

s390x:
curl-7.29.0-57.el7.s390x.rpm
curl-debuginfo-7.29.0-57.el7.s390.rpm
curl-debuginfo-7.29.0-57.el7.s390x.rpm
libcurl-7.29.0-57.el7.s390.rpm
libcurl-7.29.0-57.el7.s390x.rpm
libcurl-devel-7.29.0-57.el7.s390.rpm
libcurl-devel-7.29.0-57.el7.s390x.rpm

x86_64:
curl-7.29.0-57.el7.x86_64.rpm
curl-debuginfo-7.29.0-57.el7.i686.rpm
curl-debuginfo-7.29.0-57.el7.x86_64.rpm
libcurl-7.29.0-57.el7.i686.rpm
libcurl-7.29.0-57.el7.x86_64.rpm
libcurl-devel-7.29.0-57.el7.i686.rpm
libcurl-devel-7.29.0-57.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
curl-7.29.0-57.el7.src.rpm

x86_64:
curl-7.29.0-57.el7.x86_64.rpm
curl-debuginfo-7.29.0-57.el7.i686.rpm
curl-debuginfo-7.29.0-57.el7.x86_64.rpm
libcurl-7.29.0-57.el7.i686.rpm
libcurl-7.29.0-57.el7.x86_64.rpm
libcurl-devel-7.29.0-57.el7.i686.rpm
libcurl-devel-7.29.0-57.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-2019-5436
https://access.redhat.com/security/updates/classification/#low
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/

Copyright 2020 Red Hat, Inc.
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