Operating System:

[RedHat]

Published:

06 November 2019

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.4115
                     curl security and bug fix update
                              6 November 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           curl
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux Server 8
                   Red Hat Enterprise Linux WS/Desktop 8
Impact/Access:     Denial of Service        -- Remote with User Interaction
                   Access Confidential Data -- Existing Account            
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-3823 CVE-2019-3822 CVE-2018-20483
                   CVE-2018-16890  

Reference:         ASB-2019.0221
                   ASB-2019.0208
                   ASB-2019.0202
                   ASB-2019.0128
                   ASB-2019.0115

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2019:3701

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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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