VulnerabilityModified
CVE-2020-8037
The ppp decapsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory.
HIGH 7.5EPSS 3.11%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The ppp decapsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.11% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-770
- Affected
- tcpdump/tcpdump · debian/debian linux · fedoraproject/fedora · apple/mac os x · apple/macos
- Source
- security@tcpdump.org
References
- http://seclists.org/fulldisclosure/2021/Apr/51Mailing List, Third Party Advisory
- https://github.com/the-tcpdump-group/tcpdump/commit/32027e199368dad9508965aae8cd8de5b6ab5231Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00018.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2MX34MJIUJQGL6CMEPLTKFOOOC3CJ4Z/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWDBONZVLC6BAOR2KM376DJCM4H3FERV/
- https://support.apple.com/kb/HT212325Third Party Advisory
- https://support.apple.com/kb/HT212326Third Party Advisory
- https://support.apple.com/kb/HT212327Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/51Mailing List, Third Party Advisory
- https://github.com/the-tcpdump-group/tcpdump/commit/32027e199368dad9508965aae8cd8de5b6ab5231Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00018.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2MX34MJIUJQGL6CMEPLTKFOOOC3CJ4Z/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWDBONZVLC6BAOR2KM376DJCM4H3FERV/
- https://support.apple.com/kb/HT212325Third Party Advisory
- https://support.apple.com/kb/HT212326Third Party Advisory
- https://support.apple.com/kb/HT212327Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.