RedHat: RHSA-2020-1604:01 Low: tcpdump security update
Summary
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: Stack-based buffer over-read in print-hncp.c:print_prefix() via
crafted pcap (CVE-2018-19519)
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 8.2 Release Notes linked from the References section.
Summary
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
References
https://access.redhat.com/security/cve/CVE-2018-19519 https://access.redhat.com/security/updates/classification/#low https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.2_release_notes/index
Package List
Red Hat Enterprise Linux AppStream (v. 8):
Source:
tcpdump-4.9.2-6.el8.src.rpm
aarch64:
tcpdump-4.9.2-6.el8.aarch64.rpm
tcpdump-debuginfo-4.9.2-6.el8.aarch64.rpm
tcpdump-debugsource-4.9.2-6.el8.aarch64.rpm
ppc64le:
tcpdump-4.9.2-6.el8.ppc64le.rpm
tcpdump-debuginfo-4.9.2-6.el8.ppc64le.rpm
tcpdump-debugsource-4.9.2-6.el8.ppc64le.rpm
s390x:
tcpdump-4.9.2-6.el8.s390x.rpm
tcpdump-debuginfo-4.9.2-6.el8.s390x.rpm
tcpdump-debugsource-4.9.2-6.el8.s390x.rpm
x86_64:
tcpdump-4.9.2-6.el8.x86_64.rpm
tcpdump-debuginfo-4.9.2-6.el8.x86_64.rpm
tcpdump-debugsource-4.9.2-6.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/
Topic
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 impactof Low. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64
Bugs Fixed
1655374 - CVE-2018-19519 tcpdump: Stack-based buffer over-read in print-hncp.c:print_prefix() via crafted pcap
1715423 - tcpdump %pre creates user and groups unconditionally, raising alerts in corporate environment
