Resource exhaustion in Apple macOS
CVE-2020-8037
The ppp decapsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory.
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: 0.031 (87.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000
Affected products
- Apple macOS
- Apple Mac OS X — versions 10.14.6, 10.15.7
- Tcpdump — versions 4.9.3
- The Tcpdump Group — versions 4.9.3
- Debian Linux — versions 9.0
- Fedoraproject Fedora — versions 32, 33
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/the-tcpdump-group/tcpdump/commit/32027e199368dad9508965aae8cd8de5b6a… (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/11/msg00018.html (mailing-list, Mailing List, 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)
- seclists.org/fulldisclosure/2021/Apr/51 (mailing-list, Mailing List, Third Party Advisory)
- support.apple.com/kb/HT212325 (Third Party Advisory)
- support.apple.com/kb/HT212326 (Third Party Advisory)
- support.apple.com/kb/HT212327 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8037?
- CVE-2020-8037 is a high-severity vulnerability in Apple macOS, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2020-11-04.
- How severe is CVE-2020-8037?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-8037 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.