Buffer overflow in Tcpdump
CVE-2018-16301
The command-line argument parser in tcpdump before 4.99.0 has a buffer overflow in tcpdump.c:read_infile(). To trigger this vulnerability the attacker needs to create a 4GB file on the local filesystem and to specify the file name as the value of the -F command-line argument of tcpdump.
Vulnerability class: Integer Overflow
EPSS: 0.006 (46.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Tcpdump
- The Tcpdump Group — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@tcpdump.org (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2018-16301?
- CVE-2018-16301 is a high-severity vulnerability in Tcpdump, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2019-10-03.
- How severe is CVE-2018-16301?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-16301 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.