Buffer overflow in Tcpdump

CVE-2017-11543

tcpdump 4.9.0 has a buffer overflow in the sliplink_print function in print-sl.c.

Vulnerability class: Buffer Overflow

EPSS: 0.062 (92.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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-2017-11543?
CVE-2017-11543 is a critical-severity vulnerability in Tcpdump, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-07-23.
How severe is CVE-2017-11543?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-11543 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.