-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Low: tcpdump security and bug fix update
Advisory ID:       RHSA-2021:4236-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:4236
Issue date:        2021-11-09
CVE Names:         CVE-2020-8037 
=====================================================================

1. Summary:

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

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 AppStream (v. 8) - 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: ppp decapsulator can be convinced to allocate a large amount of
memory (CVE-2020-8037)

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 8.5 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/):

1860216 - tcpdump can not parse mptcp options
1895080 - CVE-2020-8037 tcpdump: ppp decapsulator can be convinced to allocate a large amount of memory

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
tcpdump-4.9.3-2.el8.src.rpm

aarch64:
tcpdump-4.9.3-2.el8.aarch64.rpm
tcpdump-debuginfo-4.9.3-2.el8.aarch64.rpm
tcpdump-debugsource-4.9.3-2.el8.aarch64.rpm

ppc64le:
tcpdump-4.9.3-2.el8.ppc64le.rpm
tcpdump-debuginfo-4.9.3-2.el8.ppc64le.rpm
tcpdump-debugsource-4.9.3-2.el8.ppc64le.rpm

s390x:
tcpdump-4.9.3-2.el8.s390x.rpm
tcpdump-debuginfo-4.9.3-2.el8.s390x.rpm
tcpdump-debugsource-4.9.3-2.el8.s390x.rpm

x86_64:
tcpdump-4.9.3-2.el8.x86_64.rpm
tcpdump-debuginfo-4.9.3-2.el8.x86_64.rpm
tcpdump-debugsource-4.9.3-2.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-2020-8037
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/

8. Contact:

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

Copyright 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=lQRI
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
[email protected]
https://listman.redhat.com/mailman/listinfo/rhsa-announce