CVE-2018-14938 Information

Description

An issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an integer overflow in the function handle_prism during caplen processing. If the caplen is less than 144 one can cause an integer overflow in the function handle_80211 which will result in an out-of-bounds read and may allow access to sensitive memory (or a denial of service).

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Reference

https://github.com/simsong/tcpflow/commit/a4e1cd14eb5ccc51ed271b65b3420f7d692c40eb https://github.com/simsong/tcpflow/issues/182 https://usn.ubuntu.com/3955-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

HIGH

Base Severity

9.1