Apple Security Advisory 2017-10-31-2 - macOS High Sierra 10.13.1, Security Update 2017-001 Sierra, Security Update 2017-004 El Capitan are now available and address TLS weaknesses, issues in Apache, and many more vulnerabilities.
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Gentoo Linux Security Advisory 201709-23 - Multiple vulnerabilities have been found in Tcpdump, the worst of which may allow execution of arbitrary code. Versions less than 4.9.2 are affected.
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Ubuntu Security Notice 3415-2 - USN-3415-1 fixed vulnerabilities in tcpdump for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 17.04. This update provides the corresponding tcpdump update for Ubuntu 12.04 ESM. Wilfried Kirsch discovered a buffer overflow in the SLIP decoder in tcpdump. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
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Ubuntu Security Notice 3415-1 - Wilfried Kirsch discovered a buffer overflow in the SLIP decoder in tcpdump. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Bhargava Shastry discovered a buffer overflow in the bitfield converter utility function bittok2str_internal in tcpdump. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
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tcpdump allows you to dump the traffic on a network. It can be used to print out the headers and/or contents of packets on a network interface that matches a given expression. You can use this tool to track down network problems, to detect many attacks, or to monitor the network activities.
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