CVE-2019-5718

libwireshark11: In Wireshark 2.6.0 to 2.6.5 and 2.4.0 to 2.4.11, the RTSE dissector and other ASN.1 dissectors could crash

CVE-2019-5718 is fixed in 10 products on 1 platform, first by libwireshark-data 2.6.6-1~ubuntu18.04.0, released January 8, 2019. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0140
72nd percentile

In Wireshark 2.6.0 to 2.6.5 and 2.4.0 to 2.4.11, the RTSE dissector and other ASN.1 dissectors could crash. This was addressed in epan/charsets.c by adding a get_t61_string length check.

Where it's fixed

ProductFixed inFixReleased
Linux
libwireshark-data · Ubuntu 18.04.6 LTS (bionic) 2.6.6-1~ubuntu18.04.0 libwireshark-data 2.6.6-1~ubuntu18.04.0 Jan 8, 2019
libwireshark11 · Ubuntu 18.04.6 LTS (bionic) 2.6.6-1~ubuntu18.04.0 libwireshark11 2.6.6-1~ubuntu18.04.0 Jan 8, 2019
libwiretap8 · Ubuntu 18.04.6 LTS (bionic) 2.6.6-1~ubuntu18.04.0 libwiretap8 2.6.6-1~ubuntu18.04.0 Jan 8, 2019
libwscodecs2 · Ubuntu 18.04.6 LTS (bionic) 2.6.6-1~ubuntu18.04.0 libwscodecs2 2.6.6-1~ubuntu18.04.0 Jan 8, 2019
libwsutil9 · Ubuntu 18.04.6 LTS (bionic) 2.6.6-1~ubuntu18.04.0 libwsutil9 2.6.6-1~ubuntu18.04.0 Jan 8, 2019
tshark · Ubuntu 18.04.6 LTS (bionic) 2.6.6-1~ubuntu18.04.0 tshark 2.6.6-1~ubuntu18.04.0 Jan 8, 2019
wireshark · Ubuntu 18.04.6 LTS (bionic) 2.6.6-1~ubuntu18.04.0 wireshark 2.6.6-1~ubuntu18.04.0 Jan 8, 2019
wireshark-common · Ubuntu 18.04.6 LTS (bionic) 2.6.6-1~ubuntu18.04.0 wireshark-common 2.6.6-1~ubuntu18.04.0 Jan 8, 2019
wireshark-gtk · Ubuntu 18.04.6 LTS (bionic) 2.6.6-1~ubuntu18.04.0 wireshark-gtk 2.6.6-1~ubuntu18.04.0 Jan 8, 2019
wireshark-qt · Ubuntu 18.04.6 LTS (bionic) 2.6.6-1~ubuntu18.04.0 wireshark-qt 2.6.6-1~ubuntu18.04.0 Jan 8, 2019

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