CVE-2019-9208 — In Wireshark 2

In Wireshark 2.4.0 to 2.4.12 and 2.6.0 to 2.6.6, the TCAP dissector could crash. This was addressed in epan/dissectors/asn1/tcap/tcap.cnf by avoiding NULL pointer dereferences.

01What is this vulnerability?

In Wireshark 2.4.0 to 2.4.12 and 2.6.0 to 2.6.6, the TCAP dissector could crash. This was addressed in epan/dissectors/asn1/tcap/tcap.cnf by avoiding NULL pointer dereferences.

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: 2019-02-28T04:00:00.000Z
• Last modified: 2024-08-04T21:38:46.612Z

09References

• www.securityfocus.com — http://www.securityfocus.com/bid/107203
• www.wireshark.org — https://www.wireshark.org/security/wnpa-sec-2019-07.html
• code.wireshark.org — https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=3d1b8004…
• bugs.wireshark.org — https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15464
• www.debian.org — https://www.debian.org/security/2019/dsa-4416
• seclists.org — https://seclists.org/bugtraq/2019/Mar/35
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00007.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00027.html
• usn.ubuntu.com — https://usn.ubuntu.com/3986-1/
• www.oracle.com — https://www.oracle.com/security-alerts/cpujan2020.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html