A NULL pointer dereference vulnerability in the PVFS dissector allows Wireshark to crash when parsing a specially crafted pcap file. A remote attacker could cause a denial of service to Wireshark by injecting malicious packets into the network that are automatically processed.
Find out more about CVE-2018-19624 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue did not affect the versions of wireshark as shipped with Red Hat Enterprise Linux 5, 6 and 7.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
CVSS3 Base Score | 7.5 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Attack Vector | Network |
Attack Complexity | Low |
Privileges Required | None |
User Interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity Impact | None |
Availability Impact | High |
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 7 | wireshark | Not affected |
Red Hat Enterprise Linux 6 | wireshark | Not affected |
Red Hat Enterprise Linux 5 | wireshark | Not affected |