Red Hat Security Advisory 2017-1871-01 - 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. Security Fix: Multiple out of bounds read and integer overflow vulnerabilities were found in tcpdump affecting the decoding of various protocols. An attacker could create a crafted pcap file or send specially crafted packets to the network segment where tcpdump is running in live capture mode which could cause it to display incorrect data, crash or enter an infinite loop.
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Red Hat Security Advisory
Synopsis: Moderate: tcpdump security, bug fix, and enhancement update
Advisory ID: RHSA-2017:1871-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2017:1871
Issue date: 2017-08-01
CVE Names: CVE-2015-0261 CVE-2015-2153 CVE-2015-2154
CVE-2015-2155 CVE-2016-7922 CVE-2016-7923
CVE-2016-7924 CVE-2016-7925 CVE-2016-7926
CVE-2016-7927 CVE-2016-7928 CVE-2016-7929
CVE-2016-7930 CVE-2016-7931 CVE-2016-7932
CVE-2016-7933 CVE-2016-7934 CVE-2016-7935
CVE-2016-7936 CVE-2016-7937 CVE-2016-7938
CVE-2016-7939 CVE-2016-7940 CVE-2016-7973
CVE-2016-7974 CVE-2016-7975 CVE-2016-7983
CVE-2016-7984 CVE-2016-7985 CVE-2016-7986
CVE-2016-7992 CVE-2016-7993 CVE-2016-8574
CVE-2016-8575 CVE-2017-5202 CVE-2017-5203
CVE-2017-5204 CVE-2017-5205 CVE-2017-5341
CVE-2017-5342 CVE-2017-5482 CVE-2017-5483
CVE-2017-5484 CVE-2017-5485 CVE-2017-5486
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1. Summary:
An update for tcpdump 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 ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - 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.
The following packages have been upgraded to a later upstream version:
tcpdump (4.9.0). (BZ#1422473)
Security Fix(es):
* Multiple out of bounds read and integer overflow vulnerabilities were
found in tcpdump affecting the decoding of various protocols. An attacker
could create a crafted pcap file or send specially crafted packets to the
network segment where tcpdump is running in live capture mode (without -w)
which could cause it to display incorrect data, crash or enter an infinite
loop. (CVE-2015-0261, CVE-2015-2153, CVE-2015-2154, CVE-2015-2155,
CVE-2016-7922, CVE-2016-7923, CVE-2016-7924, CVE-2016-7925, CVE-2016-7926,
CVE-2016-7927, CVE-2016-7928, CVE-2016-7929, CVE-2016-7930, CVE-2016-7931,
CVE-2016-7932, CVE-2016-7933, CVE-2016-7934, CVE-2016-7935, CVE-2016-7936,
CVE-2016-7937, CVE-2016-7938, CVE-2016-7939, CVE-2016-7940, CVE-2016-7973,
CVE-2016-7974, CVE-2016-7975, CVE-2016-7983, CVE-2016-7984, CVE-2016-7985,
CVE-2016-7986, CVE-2016-7992, CVE-2016-7993, CVE-2016-8574, CVE-2016-8575,
CVE-2017-5202, CVE-2017-5203, CVE-2017-5204, CVE-2017-5205, CVE-2017-5341,
CVE-2017-5342, CVE-2017-5482, CVE-2017-5483, CVE-2017-5484, CVE-2017-5485,
CVE-2017-5486)
Red Hat would like to thank the Tcpdump project for reporting
CVE-2016-7922, CVE-2016-7923, CVE-2016-7924, CVE-2016-7925, CVE-2016-7926,
CVE-2016-7927, CVE-2016-7928, CVE-2016-7929, CVE-2016-7930, CVE-2016-7931,
CVE-2016-7932, CVE-2016-7933, CVE-2016-7934, CVE-2016-7935, CVE-2016-7936,
CVE-2016-7937, CVE-2016-7938, CVE-2016-7939, CVE-2016-7940, CVE-2016-7973,
CVE-2016-7974, CVE-2016-7975, CVE-2016-7983, CVE-2016-7984, CVE-2016-7985,
CVE-2016-7986, CVE-2016-7992, CVE-2016-7993, CVE-2016-8574, CVE-2016-8575,
CVE-2017-5202, CVE-2017-5203, CVE-2017-5204, CVE-2017-5205, CVE-2017-5341,
CVE-2017-5342, CVE-2017-5482, CVE-2017-5483, CVE-2017-5484, CVE-2017-5485,
and CVE-2017-5486.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.4 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/):
1201792 - CVE-2015-0261 tcpdump: IPv6 mobility printer mobility_opt_print() typecastimg/signedness error
1201795 - CVE-2015-2153 tcpdump: tcp printer rpki_rtr_pdu_print() missing length check
1201797 - CVE-2015-2154 tcpdump: ethernet printer osi_print_cksum() missing sanity checks out-of-bounds read
1201798 - CVE-2015-2155 tcpdump: force printer vulnerability
1292056 - Use -Q instead of -P to set capture direction
1296230 - Run upstream tests during build process
1297812 - Tcpdump segfaults with --help option on ppc64
1419066 - tcpdump: multiple overflow issues in protocol decoding
1441597 - tcpdump: tcpdump can not dump all packets.
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
tcpdump-4.9.0-5.el7.src.rpm
x86_64:
tcpdump-4.9.0-5.el7.x86_64.rpm
tcpdump-debuginfo-4.9.0-5.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
tcpdump-4.9.0-5.el7.src.rpm
x86_64:
tcpdump-4.9.0-5.el7.x86_64.rpm
tcpdump-debuginfo-4.9.0-5.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
tcpdump-4.9.0-5.el7.src.rpm
aarch64:
tcpdump-4.9.0-5.el7.aarch64.rpm
tcpdump-debuginfo-4.9.0-5.el7.aarch64.rpm
ppc64:
tcpdump-4.9.0-5.el7.ppc64.rpm
tcpdump-debuginfo-4.9.0-5.el7.ppc64.rpm
ppc64le:
tcpdump-4.9.0-5.el7.ppc64le.rpm
tcpdump-debuginfo-4.9.0-5.el7.ppc64le.rpm
s390x:
tcpdump-4.9.0-5.el7.s390x.rpm
tcpdump-debuginfo-4.9.0-5.el7.s390x.rpm
x86_64:
tcpdump-4.9.0-5.el7.x86_64.rpm
tcpdump-debuginfo-4.9.0-5.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
tcpdump-4.9.0-5.el7.src.rpm
x86_64:
tcpdump-4.9.0-5.el7.x86_64.rpm
tcpdump-debuginfo-4.9.0-5.el7.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-2015-0261
https://access.redhat.com/security/cve/CVE-2015-2153
https://access.redhat.com/security/cve/CVE-2015-2154
https://access.redhat.com/security/cve/CVE-2015-2155
https://access.redhat.com/security/cve/CVE-2016-7922
https://access.redhat.com/security/cve/CVE-2016-7923
https://access.redhat.com/security/cve/CVE-2016-7924
https://access.redhat.com/security/cve/CVE-2016-7925
https://access.redhat.com/security/cve/CVE-2016-7926
https://access.redhat.com/security/cve/CVE-2016-7927
https://access.redhat.com/security/cve/CVE-2016-7928
https://access.redhat.com/security/cve/CVE-2016-7929
https://access.redhat.com/security/cve/CVE-2016-7930
https://access.redhat.com/security/cve/CVE-2016-7931
https://access.redhat.com/security/cve/CVE-2016-7932
https://access.redhat.com/security/cve/CVE-2016-7933
https://access.redhat.com/security/cve/CVE-2016-7934
https://access.redhat.com/security/cve/CVE-2016-7935
https://access.redhat.com/security/cve/CVE-2016-7936
https://access.redhat.com/security/cve/CVE-2016-7937
https://access.redhat.com/security/cve/CVE-2016-7938
https://access.redhat.com/security/cve/CVE-2016-7939
https://access.redhat.com/security/cve/CVE-2016-7940
https://access.redhat.com/security/cve/CVE-2016-7973
https://access.redhat.com/security/cve/CVE-2016-7974
https://access.redhat.com/security/cve/CVE-2016-7975
https://access.redhat.com/security/cve/CVE-2016-7983
https://access.redhat.com/security/cve/CVE-2016-7984
https://access.redhat.com/security/cve/CVE-2016-7985
https://access.redhat.com/security/cve/CVE-2016-7986
https://access.redhat.com/security/cve/CVE-2016-7992
https://access.redhat.com/security/cve/CVE-2016-7993
https://access.redhat.com/security/cve/CVE-2016-8574
https://access.redhat.com/security/cve/CVE-2016-8575
https://access.redhat.com/security/cve/CVE-2017-5202
https://access.redhat.com/security/cve/CVE-2017-5203
https://access.redhat.com/security/cve/CVE-2017-5204
https://access.redhat.com/security/cve/CVE-2017-5205
https://access.redhat.com/security/cve/CVE-2017-5341
https://access.redhat.com/security/cve/CVE-2017-5342
https://access.redhat.com/security/cve/CVE-2017-5482
https://access.redhat.com/security/cve/CVE-2017-5483
https://access.redhat.com/security/cve/CVE-2017-5484
https://access.redhat.com/security/cve/CVE-2017-5485
https://access.redhat.com/security/cve/CVE-2017-5486
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.4_Release_Notes/index.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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