libmicrodns0: An exploitable denial-of-service vulnerability exists in the message-parsing functionality of Videolabs libmicrodns 0...
CVE-2020-6078 is fixed in 21 products on 1 platform, first by libmicrodns0 0.0.8-1ubuntu0.1~esm1, released March 24, 2020. It is not reported as exploited. Patch Radar priority: Routine.
An exploitable denial-of-service vulnerability exists in the message-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing mDNS messages in mdns_recv, the return value of the mdns_read_header function is not checked, leading to an uninitialized variable usage that eventually results in a null pointer dereference, leading to service crash. An attacker can send a series of mDNS messages to trigger this vulnerability.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libmicrodns0 · Ubuntu 18.04.6 LTS (bionic) | 0.0.8-1ubuntu0.1~esm1 | libmicrodns0 0.0.8-1ubuntu0.1~esm1 | Mar 24, 2020 |
| libvlc-bin · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | libvlc-bin 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| libvlc5 · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | libvlc5 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| libvlccore9 · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | libvlccore9 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| vlc · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | vlc 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| vlc-bin · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | vlc-bin 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| vlc-data · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | vlc-data 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| vlc-l10n · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | vlc-l10n 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| vlc-plugin-access-extra · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | vlc-plugin-access-extra 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| vlc-plugin-base · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | vlc-plugin-base 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| vlc-plugin-fluidsynth · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | vlc-plugin-fluidsynth 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| vlc-plugin-jack · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | vlc-plugin-jack 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| vlc-plugin-notify · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | vlc-plugin-notify 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| vlc-plugin-qt · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | vlc-plugin-qt 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| vlc-plugin-samba · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | vlc-plugin-samba 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| vlc-plugin-skins2 · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | vlc-plugin-skins2 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| vlc-plugin-svg · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | vlc-plugin-svg 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| vlc-plugin-video-output · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | vlc-plugin-video-output 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| vlc-plugin-video-splitter · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | vlc-plugin-video-splitter 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| vlc-plugin-visualization · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | vlc-plugin-visualization 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
| vlc-plugin-zvbi · Ubuntu 18.04.6 LTS (bionic) | 3.0.8-0ubuntu18.04.1+esm3 | vlc-plugin-zvbi 3.0.8-0ubuntu18.04.1+esm3 | Sep 25, 2024 |
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