Description
The ppp decapsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory.
References (8)
Core 8
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/the-tcpdump-group/tcpdump/commit/32027e199368dad9508965aae8cd8de5b6ab5231
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/11/msg00018.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWDBONZVLC6BAOR2KM376DJCM4H3FERV/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2MX34MJIUJQGL6CMEPLTKFOOOC3CJ4Z/
Mailing List, Third Party Advisory mailing-list
x_refsource_fulldisc
http://seclists.org/fulldisclosure/2021/Apr/51
Third Party Advisory x_refsource_confirm
https://support.apple.com/kb/HT212325
Third Party Advisory x_refsource_confirm
https://support.apple.com/kb/HT212326
Third Party Advisory x_refsource_confirm
https://support.apple.com/kb/HT212327
Scores
CVSS v3
7.5
EPSS
0.0027
EPSS Percentile
50.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-770
Status
published
Products (8)
apple/mac_os_x
10.14.6 (11 CPE variants)
apple/mac_os_x
10.15.7 (4 CPE variants)
apple/mac_os_x
< 10.14.6
apple/macos
11.0 - 11.3
debian/debian_linux
9.0
fedoraproject/fedora
32
fedoraproject/fedora
33
tcpdump/tcpdump
4.9.3
Published
Nov 04, 2020
Tracked Since
Feb 18, 2026