Several security issues were fixed in tcpdump
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.
14 September 2017
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in tcpdump
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.
Original advisory details:
Wilfried Kirsch discovered a buffer overflow in the SLIP decoder in tcpdump. A remote attacker could use this to cause a denial of service (application crash) or possibly execute arbitrary code. (CVE-2017-11543)
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 (application crash) or possibly execute arbitrary code. (CVE-2017-13011)
Otto Airamo and Antti Levomäki discovered logic errors in different protocol parsers in tcpdump that could lead to an infinite loop. A remote attacker could use these to cause a denial of service (application hang). CVE-2017-12989, CVE-2017-12990, CVE-2017-12995, CVE-2017-12997)
Otto Airamo, Brian Carpenter, Yannick Formaggio, Kamil Frankowicz, Katie Holly, Kim Gwan Yeong, Antti Levomäki, Henri Salo, and Bhargava Shastry discovered out-of-bounds reads in muliptle protocol parsers in tcpdump. A remote attacker could use these to cause a denial of service (application crash). (CVE-2017-11108, CVE-2017-11541, CVE-2017-11542, CVE-2017-12893, CVE-2017-12894, CVE-2017-12895, CVE-2017-12896, CVE-2017-12897, CVE-2017-12898, CVE-2017-12899, CVE-2017-12900, CVE-2017-12901, CVE-2017-12902, CVE-2017-12985, CVE-2017-12986, CVE-2017-12987, CVE-2017-12988, CVE-2017-12991, CVE-2017-12992, CVE-2017-12993, CVE-2017-12994, CVE-2017-12996, CVE-2017-12998, CVE-2017-12999, CVE-2017-13000, CVE-2017-13001, CVE-2017-13002, CVE-2017-13003, CVE-2017-13004, CVE-2017-13005, CVE-2017-13006, CVE-2017-13007, CVE-2017-13008, CVE-2017-13009, CVE-2017-13010, CVE-2017-13012, CVE-2017-13013, CVE-2017-13014, CVE-2017-13015, CVE-2017-13016, CVE-2017-13017, CVE-2017-13018, CVE-2017-13019, CVE-2017-13020, CVE-2017-13021, CVE-2017-13022, CVE-2017-13023, CVE-2017-13024, CVE-2017-13025, CVE-2017-13026, CVE-2017-13027, CVE-2017-13028, CVE-2017-13029, CVE-2017-13030, CVE-2017-13031, CVE-2017-13032, CVE-2017-13033, CVE-2017-13034, CVE-2017-13035, CVE-2017-13036, CVE-2017-13037, CVE-2017-13038, CVE-2017-13039, CVE-2017-13040, CVE-2017-13041, CVE-2017-13042, CVE-2017-13043, CVE-2017-13044, CVE-2017-13045, CVE-2017-13046, CVE-2017-13047, CVE-2017-13048, CVE-2017-13049, CVE-2017-13050, CVE-2017-13051, CVE-2017-13052, CVE-2017-13053, CVE-2017-13054, CVE-2017-13055, CVE-2017-13687, CVE-2017-13688, CVE-2017-13689, CVE-2017-13690, CVE-2017-13725)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
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