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
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: 0.062 (93.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.062 · newest: 0.062 · 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)
- www.securitytracker.com/id/1039307 (vdb-entry)
- www.securityfocus.com/bid/99939 (VDB Entry, Third Party Advisory, vdb-entry)
- github.com/hackerlib/hackerlib-vul/tree/master/tcpdump-vul/global-overflow/prin… (Exploit, Third Party Advisory)
- access.redhat.com/errata/RHEA-2018:0705 (vendor-advisory)
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.