Buffer overflow in Tcpdump
CVE-2017-5342
In tcpdump before 4.9.0, a bug in multiple protocol parsers (Geneve, GRE, NSH, OTV, VXLAN and VXLAN GPE) could cause a buffer overflow in print-ether.c:ether_print().
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.055 (92.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.055 · newest: 0.055 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1037755 (vdb-entry)
- www.debian.org/security/2017/dsa-3775 (vendor-advisory)
- access.redhat.com/errata/RHSA-2017:1871 (vendor-advisory)
- www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1494526.html
- www.securityfocus.com/bid/95852 (VDB Entry, Third Party Advisory, vdb-entry)
- security.gentoo.org/glsa/201702-30 (vendor-advisory)
Frequently asked questions
- What is CVE-2017-5342?
- CVE-2017-5342 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-2017-5342?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-5342 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.