Vulnerability 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 Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Digitalcorpora | Tcpflow | <= 1.4.5 |
| Canonical | Ubuntu Linux | 16.04 |
Related Weaknesses (CWE)
References
- https://github.com/simsong/tcpflow/commit/a4e1cd14eb5ccc51ed271b65b3420f7d692c40PatchThird Party Advisory
- https://github.com/simsong/tcpflow/issues/182ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00046.html
- https://usn.ubuntu.com/3955-1/Third Party Advisory
- https://github.com/simsong/tcpflow/commit/a4e1cd14eb5ccc51ed271b65b3420f7d692c40PatchThird Party Advisory
- https://github.com/simsong/tcpflow/issues/182ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00046.html
- https://usn.ubuntu.com/3955-1/Third Party Advisory
FAQ
What is CVE-2018-14938?
CVE-2018-14938 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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...
How severe is CVE-2018-14938?
CVE-2018-14938 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2018-14938?
Check the references section above for vendor advisories and patch information. Affected products include: Digitalcorpora Tcpflow, Canonical Ubuntu Linux.