CVE-2018-11356
UnknownEPSS 2.86%
Last modified
CVE-2018-11356 is a vulnerability of currently unknown severity. In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the DNS dissector could crash. This was addressed in epan/dissectors/packet-dns.c by avoiding a NULL pointer dereference for an empty name in an SRV record.. EPSS estimates a 2.86% chance of exploitation in the next 30 days.
Description
In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the DNS dissector could crash. This was addressed in epan/dissectors/packet-dns.c by avoiding a NULL pointer dereference for an empty name in an SRV record.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | >= 2.2.0, <= 2.2.14 |
| Wireshark | Wireshark | >= 2.4.0, <= 2.4.6 |
| Wireshark | Wireshark | 2.6.0 |
| Debian | Debian Linux | 8.0 |
References
- http://www.securityfocus.com/bid/104308Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041036Third Party Advisory, VDB Entry
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14681Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlMailing List, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2018-29.htmlVendor Advisory
- http://www.securityfocus.com/bid/104308Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041036Third Party Advisory, VDB Entry
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14681Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlMailing List, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2018-29.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-11356?
In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the DNS dissector could crash. This was addressed in epan/dissectors/packet-dns.c by avoiding a NULL pointer dereference for an empty name in an SRV record.
How severe is CVE-2018-11356?
Severity scoring for CVE-2018-11356 is pending analysis. The EPSS model estimates a 2.86% probability of exploitation in the next 30 days.
How do I fix CVE-2018-11356?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2018-11356?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST