-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== 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 ===================================================================== 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. 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