Out-of-bounds Read in Tcpdump

CVE-2017-11108

tcpdump 4.9.0 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via crafted packet data. The crash occurs in the EXTRACT_16BITS function, called from the stp_print function for the Spanning Tree Protocol.

Vulnerability class: Buffer Overflow

EPSS: 0.049 (91.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Tcpdump — versions 4.9.0
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-11108?
CVE-2017-11108 is a high-severity vulnerability in Tcpdump, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2017-07-08.
How severe is CVE-2017-11108?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-11108 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.