# CVE-2020-13164: libwireshark11: In Wireshark 3.2.0 to 3.2.3, 3.0.0 to 3.0.10, and 2.6.0 to 2.6.16, the NFS dissector could crash

CVE-2020-13164 is fixed in 13 products on 1 platform, first by libwireshark-data 2.6.10-1~ubuntu18.04.0+esm1, released October 6, 2020. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-13164
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.0298
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 19, 2020

## Description

In Wireshark 3.2.0 to 3.2.3, 3.0.0 to 3.0.10, and 2.6.0 to 2.6.16, the NFS dissector could crash. This was addressed in epan/dissectors/packet-nfs.c by preventing excessive recursion, such as for a cycle in the directory graph on a filesystem.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libwireshark-data Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm1 | [libwireshark-data 2.6.10-1~ubuntu18.04.0+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwireshark-data-2.6.10-1-ubuntu18.04.0-esm1.md) | Oct 6, 2020 |
| Linux | libwireshark-data Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm1 | [libwireshark-data 3.2.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwireshark-data-3.2.3-1ubuntu0.1-esm1.md) | Oct 6, 2020 |
| Linux | libwireshark11 Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm1 | [libwireshark11 2.6.10-1~ubuntu18.04.0+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwireshark11-2.6.10-1-ubuntu18.04.0-esm1.md) | Oct 6, 2020 |
| Linux | libwireshark13 Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm1 | [libwireshark13 3.2.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwireshark13-3.2.3-1ubuntu0.1-esm1.md) | Oct 6, 2020 |
| Linux | libwiretap10 Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm1 | [libwiretap10 3.2.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwiretap10-3.2.3-1ubuntu0.1-esm1.md) | Oct 6, 2020 |
| Linux | libwiretap8 Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm1 | [libwiretap8 2.6.10-1~ubuntu18.04.0+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwiretap8-2.6.10-1-ubuntu18.04.0-esm1.md) | Oct 6, 2020 |
| Linux | libwscodecs2 Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm1 | [libwscodecs2 2.6.10-1~ubuntu18.04.0+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwscodecs2-2.6.10-1-ubuntu18.04.0-esm1.md) | Oct 6, 2020 |
| Linux | libwsutil11 Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm1 | [libwsutil11 3.2.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwsutil11-3.2.3-1ubuntu0.1-esm1.md) | Oct 6, 2020 |
| Linux | libwsutil9 Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm1 | [libwsutil9 2.6.10-1~ubuntu18.04.0+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwsutil9-2.6.10-1-ubuntu18.04.0-esm1.md) | Oct 6, 2020 |
| Linux | tshark Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm1 | [tshark 2.6.10-1~ubuntu18.04.0+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tshark-2.6.10-1-ubuntu18.04.0-esm1.md) | Oct 6, 2020 |
| Linux | tshark Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm1 | [tshark 3.2.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-tshark-3.2.3-1ubuntu0.1-esm1.md) | Oct 6, 2020 |
| Linux | wireshark Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm1 | [wireshark 2.6.10-1~ubuntu18.04.0+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-wireshark-2.6.10-1-ubuntu18.04.0-esm1.md) | Oct 6, 2020 |
| Linux | wireshark Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm1 | [wireshark 3.2.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-wireshark-3.2.3-1ubuntu0.1-esm1.md) | Oct 6, 2020 |
| Linux | wireshark-common Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm1 | [wireshark-common 2.6.10-1~ubuntu18.04.0+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-wireshark-common-2.6.10-1-ubuntu18.04.0-esm1.md) | Oct 6, 2020 |
| Linux | wireshark-common Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm1 | [wireshark-common 3.2.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-wireshark-common-3.2.3-1ubuntu0.1-esm1.md) | Oct 6, 2020 |
| Linux | wireshark-gtk Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm1 | [wireshark-gtk 2.6.10-1~ubuntu18.04.0+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-wireshark-gtk-2.6.10-1-ubuntu18.04.0-esm1.md) | Oct 6, 2020 |
| Linux | wireshark-gtk Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm1 | [wireshark-gtk 3.2.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-wireshark-gtk-3.2.3-1ubuntu0.1-esm1.md) | Oct 6, 2020 |
| Linux | wireshark-qt Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm1 | [wireshark-qt 2.6.10-1~ubuntu18.04.0+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-wireshark-qt-2.6.10-1-ubuntu18.04.0-esm1.md) | Oct 6, 2020 |
| Linux | wireshark-qt Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm1 | [wireshark-qt 3.2.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-wireshark-qt-3.2.3-1ubuntu0.1-esm1.md) | Oct 6, 2020 |

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