Uncontrolled Recursion in Wireshark and Debian Linux - CVE-2017-9766
Published: June 21, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU38828
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-9766
CWE-ID: CWE-674
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Wireshark.org
Debian
Debian
Affected software:
Wireshark
Debian Linux
Wireshark
Debian Linux
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
In Wireshark 2.2.7, PROFINET IO data with a high recursion depth allows remote attackers to cause a denial of service (stack exhaustion) in the dissect_IODWriteReq function in plugins/profinet/packet-dcerpc-pn-io.c.
How to mitigate CVE-2017-9766
Install update from vendor's website.