[RHSA-2021:2191-01] Moderate: tcpdump security update

[Security announcements for all Red Hat products and services.]

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                   Red Hat Security Advisory

Synopsis:          Moderate: tcpdump security update
Advisory ID:       RHSA-2021:2191-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:2191
Issue date:        2021-06-01
CVE Names:         CVE-2018-10103 CVE-2018-10105 
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1. Summary:

An update for tcpdump 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 AppStream EUS (v. 8.2) - aarch64, ppc64le, s390x, x86_64

3. Description:

The tcpdump packages contain the tcpdump utility for monitoring network
traffic. The tcpdump utility can capture and display the packet headers on
a particular network interface or on all interfaces.

Security Fix(es):

* tcpdump: SMB data printing mishandled (CVE-2018-10103)

* tcpdump: SMB data printing mishandled (CVE-2018-10105)

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.

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/):

1760504 - CVE-2018-10103 tcpdump: SMB data printing mishandled
1760505 - CVE-2018-10105 tcpdump: SMB data printing mishandled

6. Package List:

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

Source:
tcpdump-4.9.2-7.el8_2.src.rpm

aarch64:
tcpdump-4.9.2-7.el8_2.aarch64.rpm
tcpdump-debuginfo-4.9.2-7.el8_2.aarch64.rpm
tcpdump-debugsource-4.9.2-7.el8_2.aarch64.rpm

ppc64le:
tcpdump-4.9.2-7.el8_2.ppc64le.rpm
tcpdump-debuginfo-4.9.2-7.el8_2.ppc64le.rpm
tcpdump-debugsource-4.9.2-7.el8_2.ppc64le.rpm

s390x:
tcpdump-4.9.2-7.el8_2.s390x.rpm
tcpdump-debuginfo-4.9.2-7.el8_2.s390x.rpm
tcpdump-debugsource-4.9.2-7.el8_2.s390x.rpm

x86_64:
tcpdump-4.9.2-7.el8_2.x86_64.rpm
tcpdump-debuginfo-4.9.2-7.el8_2.x86_64.rpm
tcpdump-debugsource-4.9.2-7.el8_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-2018-10103
https://access.redhat.com/security/cve/CVE-2018-10105
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2021 Red Hat, Inc.
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