Out-of-bounds Read in Tcpdump
CVE-2018-19519
In tcpdump 4.9.2, a stack-based buffer over-read exists in the print_prefix function of print-hncp.c via crafted packet data because of missing initialization.
Vulnerability class: Buffer Overflow
EPSS: 0.024 (82.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Tcpdump — versions 4.9.2
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Mitigation)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory)
- cve@mitre.org (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2018-19519?
- CVE-2018-19519 is a medium-severity vulnerability in Tcpdump, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2018-11-25.
- How severe is CVE-2018-19519?
- Medium severity. CVSS v3 base score is 5.5 out of 10.