CVE-2017-9345: High severity Wireshark Wireshark vulnerability
In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the DNS dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dns.c by trying to detect self-referencing pointers.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
alpine/wiresharkto a version that resolves this vulnerability.Fixed in 2.2.7-r0
Event History
Frequently Asked Questions
What is the severity of CVE-2017-9345?
The severity of CVE-2017-9345 is considered medium due to the potential for an infinite loop in the DNS dissector.
How do I fix CVE-2017-9345?
To fix CVE-2017-9345, update Wireshark to version 2.2.7 or later, or to version 2.0.13 or later.
What versions of Wireshark are affected by CVE-2017-9345?
CVE-2017-9345 affects Wireshark versions from 2.0.0 to 2.0.12 and from 2.2.0 to 2.2.6.
What type of vulnerability is CVE-2017-9345?
CVE-2017-9345 is a denial of service vulnerability due to an infinite loop in the DNS dissector.
Can CVE-2017-9345 be exploited remotely?
Yes, CVE-2017-9345 can potentially be exploited remotely through malicious DNS packets.