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RedHat Enterprise Linux 8: RHSA-2020-4760-01 Moderate: Tcpdump Update

red hat
Calendar Grey November 4, 2020
Dist Redhat Esm H88
Cautionary update alert for Red Hat Enterprise Linux tcpdump. Addresses various vulnerabilities impacting network surveillance operations.
An update for tcpdump is now available for Red Hat Enterprise Linux 8

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

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.
The following packages have been upgraded to a later upstream version: tcpdump (4.9.3). (BZ#1804063)
Security Fix(es):
* tcpdump: SMB data printing mishandled (CVE-2018-10103)
* tcpdump: SMB data printing mishandled (CVE-2018-10105)
* tcpdump: Out of bounds read/write in get_next_file() in tcpdump.c (CVE-2018-14879)
* tcpdump: Buffer over-read in ldp_tlv_print() function in print-ldp.c (CVE-2018-14461)
* tcpdump: Buffer over-read in icmp_print() function in print-icmp.c (CVE-2018-14462)
* tcpdump: Buffer over-read in vrrp_print() function in print-vrrp.c (CVE-2018-14463)
* tcpdump: Buffer over-read in lmp_print_data_link_subobjs() function in print-lmp.c (CVE-2018-14464)
* tcpdump: Buffer over-read in rsvp_obj_print() function in print-rsvp.c (CVE-2018-14465)
* tcpdump: Buffer over-read in print-icmp6.c (CVE-2018-14466)
* tcpdump: Buffer over-read in bgp_capabilities_print() in print-bgp.c (CVE-2018-14467)
* tcpdump: Buffer over-read in mfr_print() function in print-fr.c (CVE-2018-14468)
* tcpdump: Buffer over-read in ikev1_n_print() function in print-isakmp.c (CVE-2018-14469)
* tcpdump: Buffer over-read in babel_print_v2() in print-babel.c (CVE-2018-14470)
* tcpdump: Buffer over-read in ospf6_print_lshdr() function in print-ospf6.c (CVE-2018-14880)
* tcpdump: Buffer over-read in bgp_capabilities_print() function in print-bgp.c (CVE-2018-14881)
* tcpdump: Buffer over-read in function rpl_dio_printopt in print-icmp6.c (CVE-2018-14882)
* tcpdump: Buffer over-read in print-802_11.c (CVE-2018-16227)
* tcpdump: Access to uninitialized buffer in print_prefix() function in print-hncp.c (CVE-2018-16228)
* tcpdump: Buffer over-read in dccp_print_option() function in print-dccp.c (CVE-2018-16229)
* tcpdump: Buffer over-read in bgp_attr_print() function in print-bgp.c (CVE-2018-16230)
* tcpdump: Resource exhaustion in bgp_attr_print() function in print-bgp.c (CVE-2018-16300)
* tcpdump: Buffer over-read in print_trans() function in print-smb.c (CVE-2018-16451)
* tcpdump: Resource exhaustion in smb_fdata() funtion in smbutil.c (CVE-2018-16452)
* tcpdump: Buffer overflow in lmp_print_data_link_subobjs() in print-lmp.c (CVE-2019-15166)
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 8.3 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate tcpdump network monitoring bug fix Red Hat Enterprise Linux security impact

References

https://access.redhat.com/security/cve/CVE-2018-10103 https://access.redhat.com/security/cve/CVE-2018-10105 https://access.redhat.com/security/cve/CVE-2018-14461 https://access.redhat.com/security/cve/CVE-2018-14462 https://access.redhat.com/security/cve/CVE-2018-14463 https://access.redhat.com/security/cve/CVE-2018-14464 https://access.redhat.com/security/cve/CVE-2018-14465 https://access.redhat.com/security/cve/CVE-2018-14466 https://access.redhat.com/security/cve/CVE-2018-14467 https://access.redhat.com/security/cve/CVE-2018-14468 https://access.redhat.com/security/cve/CVE-2018-14469 https://access.redhat.com/security/cve/CVE-2018-14470 https://access.redhat.com/security/cve/CVE-2018-14879 https://access.redhat.com/security/cve/CVE-2018-14880 https://access.redhat.com/security/cve/CVE-2018-14881 https://access.redhat.com/security/cve/CVE-2018-14882 https://access.redhat.com/security/cve/CVE-2018-16227 https://access.redhat.com/security/cve/CVE-2018-16228 https://access.redhat.com/security/cve/CVE-2018-16229 https://access.redhat.com/security/cve/CVE-2018-16230 https://access.redhat.com/security/cve/CVE-2018-16300 https://access.redhat.com/security/cve/CVE-2018-16451 https://access.redhat.com/security/cve/CVE-2018-16452 Read the Full Advisory

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: tcpdump-4.9.3-1.el8.src.rpm
aarch64: tcpdump-4.9.3-1.el8.aarch64.rpm tcpdump-debuginfo-4.9.3-1.el8.aarch64.rpm tcpdump-debugsource-4.9.3-1.el8.aarch64.rpm
ppc64le: tcpdump-4.9.3-1.el8.ppc64le.rpm tcpdump-debuginfo-4.9.3-1.el8.ppc64le.rpm tcpdump-debugsource-4.9.3-1.el8.ppc64le.rpm
s390x: tcpdump-4.9.3-1.el8.s390x.rpm tcpdump-debuginfo-4.9.3-1.el8.s390x.rpm tcpdump-debugsource-4.9.3-1.el8.s390x.rpm
x86_64: tcpdump-4.9.3-1.el8.x86_64.rpm tcpdump-debuginfo-4.9.3-1.el8.x86_64.rpm tcpdump-debugsource-4.9.3-1.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/


Advisory ID: RHSA-2020:4760-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4760
Issue date: 2020-11-03

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 Moderate. 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.

Topics%20covered

Topics Covered

security advisory moderate tcpdump network monitoring bug fix Red Hat Enterprise Linux security impact

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1760430 - CVE-2018-14882 tcpdump: Buffer over-read in function rpl_dio_printopt in print-icmp6.c

1760445 - CVE-2018-16300 tcpdump: Resource exhaustion in bgp_attr_print() function in print-bgp.c

1760447 - CVE-2018-14469 tcpdump: Buffer over-read in ikev1_n_print() function in print-isakmp.c

1760449 - CVE-2018-14465 tcpdump: Buffer over-read in rsvp_obj_print() function in print-rsvp.c

1760453 - CVE-2018-14463 tcpdump: Buffer over-read in vrrp_print() function in print-vrrp.c

1760455 - CVE-2018-14462 tcpdump: Buffer over-read in icmp_print() function in print-icmp.c

1760457 - CVE-2018-14879 tcpdump: Out of bounds read/write in in get_next_file() in tcpdump.c

1760458 - CVE-2018-16229 tcpdump: Buffer over-read in dccp_print_option() function in print-dccp.c

1760461 - CVE-2018-16227 tcpdump: Buffer over-read in print-802_11.c

1760463 - CVE-2018-14881 tcpdump: Buffer over-read in bgp_capabilities_print() function in print-bgp.c

1760464 - CVE-2018-14468 tcpdump: Buffer over-read in mfr_print() function in print-fr.c

1760468 - CVE-2018-14880 tcpdump: Buffer over-read in ospf6_print_lshdr() function in print-ospf6.c

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

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

1760506 - CVE-2018-14461 tcpdump: Buffer over-read in ldp_tlv_print() function in print-ldp.c

Read the Full Advisory

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