ESB-2017.3012 - [RedHat] curl: Multiple Vulnerabilities 2017-11-28

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.3012
                      Moderate: curl security update
                             28 November 2017

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

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

Product:           curl
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux Server 7
                   Red Hat Enterprise Linux WS/Desktop 7
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-1000257  

Reference:         ESB-2017.2726
                   ESB-2017.2679

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2017:3263

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

Synopsis:          Moderate: curl security update
Advisory ID:       RHSA-2017:3263-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2017:3263
Issue date:        2017-11-27
CVE Names:         CVE-2017-1000257 
=====================================================================

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 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 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
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le

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):

* A buffer overrun flaw was found in the IMAP handler of libcurl. By
tricking an unsuspecting user into connecting to a malicious IMAP server,
an attacker could exploit this flaw to potentially cause information
disclosure or crash the application. (CVE-2017-1000257)

Red Hat would like to thank the Curl project for reporting this issue.
Upstream acknowledges Brian Carpenter and the OSS-Fuzz project as the
original reporters.

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/):

1503705 - CVE-2017-1000257 curl: IMAP FETCH response out of bounds read

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
curl-7.29.0-42.el7_4.1.src.rpm

x86_64:
curl-7.29.0-42.el7_4.1.x86_64.rpm
curl-debuginfo-7.29.0-42.el7_4.1.i686.rpm
curl-debuginfo-7.29.0-42.el7_4.1.x86_64.rpm
libcurl-7.29.0-42.el7_4.1.i686.rpm
libcurl-7.29.0-42.el7_4.1.x86_64.rpm

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

x86_64:
curl-debuginfo-7.29.0-42.el7_4.1.i686.rpm
curl-debuginfo-7.29.0-42.el7_4.1.x86_64.rpm
libcurl-devel-7.29.0-42.el7_4.1.i686.rpm
libcurl-devel-7.29.0-42.el7_4.1.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
curl-7.29.0-42.el7_4.1.src.rpm

x86_64:
curl-7.29.0-42.el7_4.1.x86_64.rpm
curl-debuginfo-7.29.0-42.el7_4.1.i686.rpm
curl-debuginfo-7.29.0-42.el7_4.1.x86_64.rpm
libcurl-7.29.0-42.el7_4.1.i686.rpm
libcurl-7.29.0-42.el7_4.1.x86_64.rpm

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

x86_64:
curl-debuginfo-7.29.0-42.el7_4.1.i686.rpm
curl-debuginfo-7.29.0-42.el7_4.1.x86_64.rpm
libcurl-devel-7.29.0-42.el7_4.1.i686.rpm
libcurl-devel-7.29.0-42.el7_4.1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
curl-7.29.0-42.el7_4.1.src.rpm

ppc64:
curl-7.29.0-42.el7_4.1.ppc64.rpm
curl-debuginfo-7.29.0-42.el7_4.1.ppc.rpm
curl-debuginfo-7.29.0-42.el7_4.1.ppc64.rpm
libcurl-7.29.0-42.el7_4.1.ppc.rpm
libcurl-7.29.0-42.el7_4.1.ppc64.rpm
libcurl-devel-7.29.0-42.el7_4.1.ppc.rpm
libcurl-devel-7.29.0-42.el7_4.1.ppc64.rpm

ppc64le:
curl-7.29.0-42.el7_4.1.ppc64le.rpm
curl-debuginfo-7.29.0-42.el7_4.1.ppc64le.rpm
libcurl-7.29.0-42.el7_4.1.ppc64le.rpm
libcurl-devel-7.29.0-42.el7_4.1.ppc64le.rpm

s390x:
curl-7.29.0-42.el7_4.1.s390x.rpm
curl-debuginfo-7.29.0-42.el7_4.1.s390.rpm
curl-debuginfo-7.29.0-42.el7_4.1.s390x.rpm
libcurl-7.29.0-42.el7_4.1.s390.rpm
libcurl-7.29.0-42.el7_4.1.s390x.rpm
libcurl-devel-7.29.0-42.el7_4.1.s390.rpm
libcurl-devel-7.29.0-42.el7_4.1.s390x.rpm

x86_64:
curl-7.29.0-42.el7_4.1.x86_64.rpm
curl-debuginfo-7.29.0-42.el7_4.1.i686.rpm
curl-debuginfo-7.29.0-42.el7_4.1.x86_64.rpm
libcurl-7.29.0-42.el7_4.1.i686.rpm
libcurl-7.29.0-42.el7_4.1.x86_64.rpm
libcurl-devel-7.29.0-42.el7_4.1.i686.rpm
libcurl-devel-7.29.0-42.el7_4.1.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):

Source:
curl-7.29.0-42.el7_4.1.src.rpm

aarch64:
curl-7.29.0-42.el7_4.1.aarch64.rpm
curl-debuginfo-7.29.0-42.el7_4.1.aarch64.rpm
libcurl-7.29.0-42.el7_4.1.aarch64.rpm
libcurl-devel-7.29.0-42.el7_4.1.aarch64.rpm

ppc64le:
curl-7.29.0-42.el7_4.1.ppc64le.rpm
curl-debuginfo-7.29.0-42.el7_4.1.ppc64le.rpm
libcurl-7.29.0-42.el7_4.1.ppc64le.rpm
libcurl-devel-7.29.0-42.el7_4.1.ppc64le.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
curl-7.29.0-42.el7_4.1.src.rpm

x86_64:
curl-7.29.0-42.el7_4.1.x86_64.rpm
curl-debuginfo-7.29.0-42.el7_4.1.i686.rpm
curl-debuginfo-7.29.0-42.el7_4.1.x86_64.rpm
libcurl-7.29.0-42.el7_4.1.i686.rpm
libcurl-7.29.0-42.el7_4.1.x86_64.rpm
libcurl-devel-7.29.0-42.el7_4.1.i686.rpm
libcurl-devel-7.29.0-42.el7_4.1.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-2017-1000257
https://access.redhat.com/security/updates/classification/#moderate
https://curl.haxx.se/docs/adv_20171023.html

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2017 Red Hat, Inc.
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