Vulnerability · Published Nov 4, 2020 · Assigned by Tcpdump
CVE-2020-8037ppp decapsulator can be convinced to allocate a large amount of memory
High 7.5
In plain English
A high-severity security flaw in tcpdump from The TCPdump Group. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.1% (higher than 88% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)3.1%top 12.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The ppp decapsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | tcpdump | 14:4.9.3-2.el8 | ALSA-2021:4236 |
| Alpine:v3.20 | tcpdump | 4.9.3-r1 | ALPINE-CVE-2020-8037 |
| Alpine:v3.21 | tcpdump | 4.9.3-r1 | ALPINE-CVE-2020-8037 |
| Alpine:v3.22 | tcpdump | 4.9.3-r1 | ALPINE-CVE-2020-8037 |
| Alpine:v3.23 | tcpdump | 4.9.3-r1 | ALPINE-CVE-2020-8037 |
| Alpine:v3.24 | tcpdump | 4.9.3-r1 | ALPINE-CVE-2020-8037 |
| Debian:12 | tcpdump | 4.9.3-7 | DEBIAN-CVE-2020-8037 |
| Debian:13 | tcpdump | 4.9.3-7 | DEBIAN-CVE-2020-8037 |
| Debian:14 | tcpdump | 4.9.3-7 | DEBIAN-CVE-2020-8037 |
| Rocky Linux:8 | tcpdump | 4:4.9.3-2.el8 | RLSA-2021:4236 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| The TCPdump Group | tcpdump | 4.9.3 |
References
- https://github.com/the-tcpdump-group/tcpdump/commit/32027e199368dad9508965aae8cd8de5b6ab5231 x_refsource_MISC
- [debian-lts-announce] 20201110 [SECURITY] [DLA 2444-1] tcpdump security update mailing-list, x_refsource_MLIST
- FEDORA-2020-fae2e1f2bc vendor-advisory, x_refsource_FEDORA
- FEDORA-2020-c5e78886d6 vendor-advisory, x_refsource_FEDORA
- 20210427 APPLE-SA-2021-04-26-3 Security Update 2021-002 Catalina mailing-list, x_refsource_FULLDISC
- https://support.apple.com/kb/HT212325 x_refsource_CONFIRM
- https://support.apple.com/kb/HT212326 x_refsource_CONFIRM
- https://support.apple.com/kb/HT212327 x_refsource_CONFIRM