CVE-2019-10902 — In Wireshark 3

In Wireshark 3.0.0, the TSDNS dissector could crash. This was addressed in epan/dissectors/packet-tsdns.c by splitting strings safely.

01What is this vulnerability?

In Wireshark 3.0.0, the TSDNS dissector could crash. This was addressed in epan/dissectors/packet-tsdns.c by splitting strings safely.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-04-09T03:53:25.000Z
• Last modified: 2024-08-04T22:40:15.193Z

09References

• www.wireshark.org — https://www.wireshark.org/security/wnpa-sec-2019-16.html
• bugs.wireshark.org — https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15619
• code.wireshark.org — https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=95571f17…
• www.securityfocus.com — http://www.securityfocus.com/bid/107836
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html