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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.049 (91.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · change: 0.000
Affected products
- Tcpdump — versions 4.9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.gentoo.org/glsa/201709-23 (vendor-advisory)
- support.apple.com/HT208221
- www.debian.org/security/2017/dsa-3971 (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- access.redhat.com/errata/RHEA-2018:0705 (vendor-advisory)
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.