Out-of-bounds Read in Apple Mac OS X
CVE-2018-16228
The HNCP parser in tcpdump before 4.9.3 has a buffer over-read in print-hncp.c:print_prefix().
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.037 (89.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000
Affected products
- Apple Mac OS X
- Tcpdump
- Debian Linux — versions 8.0, 9.0, 10.0
- Fedoraproject Fedora — versions 29, 30, 31
- openSUSE Leap — versions 15.0, 15.1
- Red Hat Enterprise Linux — versions 7.0, 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES (Third Party Advisory, Release Notes)
- github.com/the-tcpdump-group/tcpdump/commit/83a412a5275cac973c5841eca3511c766be… (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/10/msg00015.html (mailing-list, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html (vendor-advisory, Third Party Advisory)
- seclists.org/bugtraq/2019/Oct/28 (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2019/dsa-4547 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2018-16228?
- CVE-2018-16228 is a high-severity vulnerability in Apple Mac OS X, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2019-10-03.
- How severe is CVE-2018-16228?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-16228 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.