What’s Vulnerable › Vulnerabilities

CVE-2018-14938

• Severity: critical (CVSS 9.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-08-05 · updated 2026-06-17
• Weakness: CWE-125

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).

Affected products

• Canonical Ubuntu Linux: 16.04, 18.04, 18.10
• Digitalcorpora Tcpflow: through 1.4.5; 1.5.0-alpha

References

• https://github.com/simsong/tcpflow/commit/a4e1cd14eb5ccc51ed271b65b3420f7d692c40eb
• https://github.com/simsong/tcpflow/issues/182
• https://lists.debian.org/debian-lts-announce/2020/11/msg00046.html
• https://usn.ubuntu.com/3955-1/
• https://github.com/simsong/tcpflow/commit/a4e1cd14eb5ccc51ed271b65b3420f7d692c40eb
• https://github.com/simsong/tcpflow/issues/182
• https://lists.debian.org/debian-lts-announce/2020/11/msg00046.html
• https://usn.ubuntu.com/3955-1/

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