libwireshark11: In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the DMP dissector could go into an infinite loop
CVE-2018-7421 is fixed in 10 products on 1 platform, first by libwireshark-data 2.6.3-1~ubuntu18.04.1, released August 29, 2018. It is not reported as exploited. Patch Radar priority: Routine.
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the DMP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dmp.c by correctly supporting a bounded number of Security Categories for a DMP Security Classification.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libwireshark-data · Ubuntu 18.04.6 LTS (bionic) | 2.6.3-1~ubuntu18.04.1 | libwireshark-data 2.6.3-1~ubuntu18.04.1 | Aug 29, 2018 |
| libwireshark11 · Ubuntu 18.04.6 LTS (bionic) | 2.6.3-1~ubuntu18.04.1 | libwireshark11 2.6.3-1~ubuntu18.04.1 | Aug 29, 2018 |
| libwiretap8 · Ubuntu 18.04.6 LTS (bionic) | 2.6.3-1~ubuntu18.04.1 | libwiretap8 2.6.3-1~ubuntu18.04.1 | Aug 29, 2018 |
| libwscodecs2 · Ubuntu 18.04.6 LTS (bionic) | 2.6.3-1~ubuntu18.04.1 | libwscodecs2 2.6.3-1~ubuntu18.04.1 | Aug 29, 2018 |
| libwsutil9 · Ubuntu 18.04.6 LTS (bionic) | 2.6.3-1~ubuntu18.04.1 | libwsutil9 2.6.3-1~ubuntu18.04.1 | Aug 29, 2018 |
| tshark · Ubuntu 18.04.6 LTS (bionic) | 2.6.3-1~ubuntu18.04.1 | tshark 2.6.3-1~ubuntu18.04.1 | Aug 29, 2018 |
| wireshark · Ubuntu 18.04.6 LTS (bionic) | 2.6.3-1~ubuntu18.04.1 | wireshark 2.6.3-1~ubuntu18.04.1 | Aug 29, 2018 |
| wireshark-common · Ubuntu 18.04.6 LTS (bionic) | 2.6.3-1~ubuntu18.04.1 | wireshark-common 2.6.3-1~ubuntu18.04.1 | Aug 29, 2018 |
| wireshark-gtk · Ubuntu 18.04.6 LTS (bionic) | 2.6.3-1~ubuntu18.04.1 | wireshark-gtk 2.6.3-1~ubuntu18.04.1 | Aug 29, 2018 |
| wireshark-qt · Ubuntu 18.04.6 LTS (bionic) | 2.6.3-1~ubuntu18.04.1 | wireshark-qt 2.6.3-1~ubuntu18.04.1 | Aug 29, 2018 |
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