Buffer overflow in Tcpdump

CVE-2017-5484

The ATM parser in tcpdump before 4.9.0 has a buffer overflow in print-atm.c:sig_print().

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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-5484?
CVE-2017-5484 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 2017-01-28.
How severe is CVE-2017-5484?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-5484 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.