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Red Hat Security Advisory

Synopsis: Moderate: curl security and bug fix update
Advisory ID: RHSA-2019:3701-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3701
Issue date: 2019-11-05
CVE Names: CVE-2018-16890 CVE-2018-20483 CVE-2019-3822
CVE-2019-3823
=====================================================================

1. Summary:

An update for curl is now available for Red Hat Enterprise Linux 8.

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 (v. 8) – 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: NTLM type-2 heap out-of-bounds buffer read (CVE-2018-16890)

* wget: Information exposure in set_file_metadata function in xattr.c
(CVE-2018-20483)

* curl: NTLMv2 type-3 header stack buffer overflow (CVE-2019-3822)

* curl: SMTP end-of-response out-of-bounds read (CVE-2019-3823)

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 8.1 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/):

1662705 – CVE-2018-20483 wget: Information exposure in set_file_metadata function in xattr.c
1669156 – connection re-use does not work for SCP and SFTP
1670252 – CVE-2018-16890 curl: NTLM type-2 heap out-of-bounds buffer read
1670254 – CVE-2019-3822 curl: NTLMv2 type-3 header stack buffer overflow
1670256 – CVE-2019-3823 curl: SMTP end-of-response out-of-bounds read

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
curl-7.61.1-11.el8.src.rpm

aarch64:
curl-7.61.1-11.el8.aarch64.rpm
curl-debuginfo-7.61.1-11.el8.aarch64.rpm
curl-debugsource-7.61.1-11.el8.aarch64.rpm
curl-minimal-debuginfo-7.61.1-11.el8.aarch64.rpm
libcurl-7.61.1-11.el8.aarch64.rpm
libcurl-debuginfo-7.61.1-11.el8.aarch64.rpm
libcurl-devel-7.61.1-11.el8.aarch64.rpm
libcurl-minimal-7.61.1-11.el8.aarch64.rpm
libcurl-minimal-debuginfo-7.61.1-11.el8.aarch64.rpm

ppc64le:
curl-7.61.1-11.el8.ppc64le.rpm
curl-debuginfo-7.61.1-11.el8.ppc64le.rpm
curl-debugsource-7.61.1-11.el8.ppc64le.rpm
curl-minimal-debuginfo-7.61.1-11.el8.ppc64le.rpm
libcurl-7.61.1-11.el8.ppc64le.rpm
libcurl-debuginfo-7.61.1-11.el8.ppc64le.rpm
libcurl-devel-7.61.1-11.el8.ppc64le.rpm
libcurl-minimal-7.61.1-11.el8.ppc64le.rpm
libcurl-minimal-debuginfo-7.61.1-11.el8.ppc64le.rpm

s390x:
curl-7.61.1-11.el8.s390x.rpm
curl-debuginfo-7.61.1-11.el8.s390x.rpm
curl-debugsource-7.61.1-11.el8.s390x.rpm
curl-minimal-debuginfo-7.61.1-11.el8.s390x.rpm
libcurl-7.61.1-11.el8.s390x.rpm
libcurl-debuginfo-7.61.1-11.el8.s390x.rpm
libcurl-devel-7.61.1-11.el8.s390x.rpm
libcurl-minimal-7.61.1-11.el8.s390x.rpm
libcurl-minimal-debuginfo-7.61.1-11.el8.s390x.rpm

x86_64:
curl-7.61.1-11.el8.x86_64.rpm
curl-debuginfo-7.61.1-11.el8.i686.rpm
curl-debuginfo-7.61.1-11.el8.x86_64.rpm
curl-debugsource-7.61.1-11.el8.i686.rpm
curl-debugsource-7.61.1-11.el8.x86_64.rpm
curl-minimal-debuginfo-7.61.1-11.el8.i686.rpm
curl-minimal-debuginfo-7.61.1-11.el8.x86_64.rpm
libcurl-7.61.1-11.el8.i686.rpm
libcurl-7.61.1-11.el8.x86_64.rpm
libcurl-debuginfo-7.61.1-11.el8.i686.rpm
libcurl-debuginfo-7.61.1-11.el8.x86_64.rpm
libcurl-devel-7.61.1-11.el8.i686.rpm
libcurl-devel-7.61.1-11.el8.x86_64.rpm
libcurl-minimal-7.61.1-11.el8.i686.rpm
libcurl-minimal-7.61.1-11.el8.x86_64.rpm
libcurl-minimal-debuginfo-7.61.1-11.el8.i686.rpm
libcurl-minimal-debuginfo-7.61.1-11.el8.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-2018-16890
https://access.redhat.com/security/cve/CVE-2018-20483
https://access.redhat.com/security/cve/CVE-2019-3822
https://access.redhat.com/security/cve/CVE-2019-3823
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/

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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