The remote Ubuntu 14.04 LTS / 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3205-1 advisory.

    It was discovered that tcpdump incorrectly handled certain packets. A remote attacker could use this issue     to cause tcpdump to crash, resulting in a denial of service, or possibly execute arbitrary code.

    In the default installation, attackers would be isolated by the tcpdump AppArmor profile.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

This update for tcpdump to version 4.9.0 and libpcap to version 1.8.1 fixes the several issues. These security issues were fixed in tcpdump :

  - CVE-2016-7922: The AH parser in tcpdump had a buffer     overflow in print-ah.c:ah_print() (bsc#1020940).

  - CVE-2016-7923: The ARP parser in tcpdump had a buffer     overflow in print-arp.c:arp_print() (bsc#1020940).

  - CVE-2016-7924: The ATM parser in tcpdump had a buffer     overflow in print-atm.c:oam_print() (bsc#1020940).

  - CVE-2016-7925: The compressed SLIP parser in tcpdump had     a buffer overflow in print-sl.c:sl_if_print()     (bsc#1020940).

  - CVE-2016-7926: The Ethernet parser in tcpdump had a     buffer overflow in print-ether.c:ethertype_print()     (bsc#1020940).

  - CVE-2016-7927: The IEEE 802.11 parser in tcpdump had a     buffer overflow in     print-802_11.c:ieee802_11_radio_print() (bsc#1020940).

  - CVE-2016-7928: The IPComp parser in tcpdump had a buffer     overflow in print-ipcomp.c:ipcomp_print() (bsc#1020940).

  - CVE-2016-7929: The Juniper PPPoE ATM parser in tcpdump     had a buffer overflow in     print-juniper.c:juniper_parse_header() (bsc#1020940).

  - CVE-2016-7930: The LLC/SNAP parser in tcpdump had a     buffer overflow in print-llc.c:llc_print()     (bsc#1020940).

  - CVE-2016-7931: The MPLS parser in tcpdump had a buffer     overflow in print-mpls.c:mpls_print() (bsc#1020940).

  - CVE-2016-7932: The PIM parser in tcpdump had a buffer     overflow in print-pim.c:pimv2_check_checksum()     (bsc#1020940).

  - CVE-2016-7933: The PPP parser in tcpdump had a buffer     overflow in print-ppp.c:ppp_hdlc_if_print()     (bsc#1020940).

  - CVE-2016-7934: The RTCP parser in tcpdump had a buffer     overflow in print-udp.c:rtcp_print() (bsc#1020940).

  - CVE-2016-7935: The RTP parser in tcpdump had a buffer     overflow in print-udp.c:rtp_print() (bsc#1020940).

  - CVE-2016-7936: The UDP parser in tcpdump had a buffer     overflow in print-udp.c:udp_print() (bsc#1020940).

  - CVE-2016-7937: The VAT parser in tcpdump had a buffer     overflow in print-udp.c:vat_print() (bsc#1020940).

  - CVE-2016-7938: The ZeroMQ parser in tcpdump had an     integer overflow in print-zeromq.c:zmtp1_print_frame()     (bsc#1020940).

  - CVE-2016-7939: The GRE parser in tcpdump had a buffer     overflow in print-gre.c, multiple functions     (bsc#1020940).

  - CVE-2016-7940: The STP parser in tcpdump had a buffer     overflow in print-stp.c, multiple functions     (bsc#1020940).

  - CVE-2016-7973: The AppleTalk parser in tcpdump had a     buffer overflow in print-atalk.c, multiple functions     (bsc#1020940).

  - CVE-2016-7974: The IP parser in tcpdump had a buffer     overflow in print-ip.c, multiple functions     (bsc#1020940).

  - CVE-2016-7975: The TCP parser in tcpdump had a buffer     overflow in print-tcp.c:tcp_print() (bsc#1020940).

  - CVE-2016-7983: The BOOTP parser in tcpdump had a buffer     overflow in print-bootp.c:bootp_print() (bsc#1020940).

  - CVE-2016-7984: The TFTP parser in tcpdump had a buffer     overflow in print-tftp.c:tftp_print() (bsc#1020940).

  - CVE-2016-7985: The CALM FAST parser in tcpdump had a     buffer overflow in print-calm-fast.c:calm_fast_print()     (bsc#1020940).

  - CVE-2016-7986: The GeoNetworking parser in tcpdump had a     buffer overflow in print-geonet.c, multiple functions     (bsc#1020940).

  - CVE-2016-7992: The Classical IP over ATM parser in     tcpdump had a buffer overflow in     print-cip.c:cip_if_print() (bsc#1020940).

  - CVE-2016-7993: A bug in util-print.c:relts_print() in     tcpdump could cause a buffer overflow in multiple     protocol parsers (DNS, DVMRP, HSRP, IGMP, lightweight     resolver protocol, PIM) (bsc#1020940).

  - CVE-2016-8574: The FRF.15 parser in tcpdump had a buffer     overflow in print-fr.c:frf15_print() (bsc#1020940).

  - CVE-2016-8575: The Q.933 parser in tcpdump had a buffer     overflow in print-fr.c:q933_print(), a different     vulnerability than CVE-2017-5482 (bsc#1020940).

  - CVE-2017-5202: The ISO CLNS parser in tcpdump had a     buffer overflow in print-isoclns.c:clnp_print()     (bsc#1020940).

  - CVE-2017-5203: The BOOTP parser in tcpdump had a buffer     overflow in print-bootp.c:bootp_print() (bsc#1020940).

  - CVE-2017-5204: The IPv6 parser in tcpdump had a buffer     overflow in print-ip6.c:ip6_print() (bsc#1020940).

  - CVE-2017-5205: The ISAKMP parser in tcpdump had a buffer     overflow in print-isakmp.c:ikev2_e_print()     (bsc#1020940).

  - CVE-2017-5341: The OTV parser in tcpdump had a buffer     overflow in print-otv.c:otv_print() (bsc#1020940).

  - CVE-2017-5342: In tcpdump a bug in multiple protocol     parsers (Geneve, GRE, NSH, OTV, VXLAN and VXLAN GPE)     could cause a buffer overflow in     print-ether.c:ether_print() (bsc#1020940).

  - CVE-2017-5482: The Q.933 parser in tcpdump had a buffer     overflow in print-fr.c:q933_print(), a different     vulnerability than CVE-2016-8575 (bsc#1020940).

  - CVE-2017-5483: The SNMP parser in tcpdump had a buffer     overflow in print-snmp.c:asn1_parse() (bsc#1020940).

  - CVE-2017-5484: The ATM parser in tcpdump had a buffer     overflow in print-atm.c:sig_print() (bsc#1020940).

  - CVE-2017-5485: The ISO CLNS parser in tcpdump had a     buffer overflow in addrtoname.c:lookup_nsap()     (bsc#1020940).

  - CVE-2017-5486: The ISO CLNS parser in tcpdump had a     buffer overflow in print-isoclns.c:clnp_print()     (bsc#1020940).

  - CVE-2015-3138: Fixed potential denial of service in     print-wb.c (bsc#927637).

  - CVE-2015-0261: Integer signedness error in the     mobility_opt_print function in the IPv6 mobility printer     in tcpdump allowed remote attackers to cause a denial of     service (out-of-bounds read and crash) or possibly     execute arbitrary code via a negative length value     (bsc#922220).

  - CVE-2015-2153: The rpki_rtr_pdu_print function in     print-rpki-rtr.c in the TCP printer in tcpdump allowed     remote attackers to cause a denial of service     (out-of-bounds read or write and crash) via a crafted     header length in an RPKI-RTR Protocol Data Unit (PDU)     (bsc#922221).

  - CVE-2015-2154: The osi_print_cksum function in     print-isoclns.c in the ethernet printer in tcpdump     allowed remote attackers to cause a denial of service     (out-of-bounds read and crash) via a crafted (1) length,     (2) offset, or (3) base pointer checksum value     (bsc#922222).

  - CVE-2015-2155: The force printer in tcpdump allowed     remote attackers to cause a denial of service (crash)     and possibly execute arbitrary code via unspecified     vectors (bsc#922223).

  - CVE-2014-8767: Integer underflow in the olsr_print     function in tcpdump 3.9.6 when in verbose mode, allowed     remote attackers to cause a denial of service (crash)     via a crafted length value in an OLSR frame     (bsc#905870).

  - CVE-2014-8768: Multiple Integer underflows in the     geonet_print function in tcpdump when run in verbose     mode, allowed remote attackers to cause a denial of     service (segmentation fault and crash) via a crafted     length value in a Geonet frame (bsc#905871).

  - CVE-2014-8769: tcpdump might have allowed remote     attackers to obtain sensitive information from memory or     cause a denial of service (packet loss or segmentation     fault) via a crafted Ad hoc On-Demand Distance Vector     (AODV) packet, which triggers an out-of-bounds memory     access (bsc#905872). These non-security issues were     fixed in tcpdump :

  - PPKI to Router Protocol: Fix Segmentation Faults and     other problems

  - RPKI to Router Protocol: print strings with fn_printn()

  - Added a short option '#', same as long option '--number'

  - nflog, mobile, forces, pptp, AODV, AHCP, IPv6, OSPFv4,     RPL, DHCPv6 enhancements/fixes

  - M3UA decode added.

  - Added bittok2str().

  - A number of unaligned access faults fixed

  - The -A flag does not consider CR to be printable anymore

  - fx.lebail took over coverity baby sitting

  - Default snapshot size increased to 256K for accomodate     USB captures These non-security issues were fixed in     libpcap :

  - Provide a -devel-static subpackage that contains the     static libraries and all the extra dependencies which     are not needed for dynamic linking.

  - Fix handling of packet count in the TPACKET_V3 inner     loop

  - Filter out duplicate looped back CAN frames.

  - Fix the handling of loopback filters for IPv6 packets.

  - Add a link-layer header type for RDS (IEC 62106) groups.

  - Handle all CAN captures with pcap-linux.c, in cooked     mode.

  - Removes the need for the 'host-endian' link-layer header     type.

  - Have separate DLTs for big-endian and host-endian     SocketCAN headers.

  - Properly check for sock_recv() errors.

  - Re-impose some of Winsock's limitations on sock_recv().

  - Replace sprintf() with pcap_snprintf().

  - Fix signature of pcap_stats_ex_remote().

  - Have rpcap_remoteact_getsock() return a SOCKET and     supply an 'is active' flag.

  - Clean up {DAG, Septel, Myricom SNF}-only builds.

  - pcap_create_interface() needs the interface name on     Linux.

  - Clean up hardware time stamp support: the 'any' device     does not support any time stamp types.

  - Recognize 802.1ad nested VLAN tag in vlan filter.

  - Support for filtering Geneve encapsulated packets.

  - Fix handling of zones for BPF on Solaris

  - Added bpf_filter1() with extensions

  - EBUSY can now be returned by SNFv3 code.

  - Don't crash on filters testing a non-existent link-layer     type field.

  - Fix sending in non-blocking mode on Linux with     memory-mapped capture.

  - Fix timestamps when reading pcap-ng files on big-endian     machines.

  - Fixes for byte order issues with NFLOG captures

  - Handle using cooked mode for DLT_NETLINK in     activate_new().

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

CVE-2016-7975 tcpdump 4.9.0 之前版本中的 TCP 解析器在 print-tcp.c:tcp_print() 内存在缓冲区溢出。CVE-2016-7986 tcpdump 4.9.0 之前版本中的 GeoNetworking 解析器在 print-geonet.c 等多个函数内存在缓冲区溢出。CVE-2017-5341 tcpdump 4.9.0 之前版本中的 OTV 解析器在 print-otv.c:otv_print() 内存在缓冲区溢出。影响 攻击者可能会获取敏感信息的访问权限。攻击者还可能会通过特制的 pcap 文件或将特制的数据包发送到 tcpdump 主动捕获网络流量的网络段的方式，从而造成拒绝服务 (DoS)。tcpdump 程序不会使用协议解码子系统，因此在使用 -w 选项向 pcap 文件写入原始数据包进行脱机检查时，不会受到这些漏洞影响。

下列程序包已升级到更新的上游版本：tcpdump (4.9.0)。安全修复：- 在 tcpdump 中发现多个越界读取和整数溢出漏洞，会影响各种协议解码。攻击者可创建构建的 pcap 文件或将特制的数据包发送至以实时截屏模式（不含 -w）运行 tcpdump 的网络段中，从而导致其显示错误数据、崩溃或进入无限循环。(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)

tcpdump 更新现可用于 Red Hat Enterprise Linux 7。Red Hat 产品安全团队将此更新评级为具有中等安全影响。可从“参考”部分中的 CVE 链接获取通用漏洞评分系统 (CVSS) 基本分数，其针对每个漏洞给出了详细的严重性等级。tcpdump 程序包中包含用作监测网络流量的 tcpdump 实用工具。tcpdump 实用工具可在特定网络接口或全部接口上捕获并显示数据包标头。下列程序包已升级到更新的上游版本：tcpdump (4.9.0)。(BZ#1422473) 安全修复：* 在 tcpdump 中发现多个越界读取和整数溢出漏洞，会影响各种协议解码。攻击者可创建构建的 pcap 文件或将特制的数据包发送至以实时截屏模式（不含 -w）运行 tcpdump 的网络段中，从而导致其显示错误数据、崩溃或进入无限循环。(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 在此感谢 Tcpdump 项目报告 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 和 CVE-2017-5486。其他更改：如需有关此发行版本的详细变更信息，请参阅可从“参考”部分链接的 Red Hat Enterprise Linux 7.4 发行说明。

为 Slackware 13.37、14.0、14.1、14.2 和当前版本提供了用于修复安全问题的新 tcpdump 程序包。注意：这些更新也需要使用已更新的 libpcap 程序包。

远程主机正在运行的 macOS 版本为低于 10.12.4 的 10.12.x。因而多个组件会受到多个漏洞的影响，其中有些是远程代码执行漏洞。未经身份验证的远程攻击者可利用这些远程代码执行漏洞，诱使用户访问特制的网站，从而导致在当前用户环境中执行任意代码。受影响的组件为：- apache - apache_mod_php - AppleGraphicsPowerManagement - AppleRAID - Audio - Bluetooth - Carbon - CoreGraphics - CoreMedia - CoreText - curl - EFI - FinderKit - FontParser - HTTPProtocol - Hypervisor - iBooks - ImageIO - Intel Graphics Driver - IOATAFamily - IOFireWireAVC - IOFireWireFamily - Kernel - Keyboards - libarchive - libc++abi - LibreSSL - MCX Client - Menus - Multi-Touch - OpenSSH - OpenSSL - Printing - python - QuickTime - Security - SecurityFoundation - sudo - System Integrity Protection - tcpdump - tiffutil - WebKit

ID	Name	Product	Family	Published	Updated	Severity
97318	Ubuntu 14.04 LTS / 16.04 LTS : tcpdump vulnerabilities (USN-3205-1)	Nessus	Ubuntu Local Security Checks	2/22/2017	8/27/2024	critical
99705	SUSE SLED12 / SLES12 Security Update : tcpdump, libpcap (SUSE-SU-2017:1110-1)	Nessus	SuSE Local Security Checks	4/27/2017	1/6/2021	critical
104261	F5 Networks BIG-IP：tcpdump 漏洞 (K55129614)	Nessus	F5 Networks Local Security Checks	10/31/2017	1/4/2019	critical
102657	Scientific Linux 安全更新：SL7.x x86_64 上的 tcpdump	Nessus	Scientific Linux Local Security Checks	8/22/2017	1/14/2021	critical
102742	CentOS 7 : tcpdump (CESA-2017:1871)	Nessus	CentOS Local Security Checks	8/25/2017	1/4/2021	critical
97104	Slackware 13.37 / 14.0 / 14.1 / 14.2 / 当前版本：tcpdump (SSA:2017-041-04)	Nessus	Slackware Local Security Checks	2/13/2017	1/14/2021	critical
99134	macOS 10.12.x < 10.12.4 Multiple Vulnerabilities (httpoxy)	Nessus	MacOS X Local Security Checks	3/31/2017	11/13/2019	critical

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