Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | >= 2.2.0, <= 2.2.14 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
- http://www.securityfocus.com/bid/104308Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041036Third Party AdvisoryVDB Entry
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14681Issue TrackingVendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=4425716d
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlMailing ListThird Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2018-29.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
- http://www.securityfocus.com/bid/104308Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041036Third Party AdvisoryVDB Entry
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14681Issue TrackingVendor Advisory
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=4425716d
- https://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlMailing ListThird Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2018-29.htmlVendor Advisory
FAQ
What is CVE-2018-11356?
CVE-2018-11356 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 a...
How severe is CVE-2018-11356?
CVE-2018-11356 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-11356?
Check the references section above for vendor advisories and patch information. Affected products include: Wireshark Wireshark, Debian Debian Linux.