CVE-2019-15163

HIGH

Tcpdump Libpcap < 1.9.1 - NULL Pointer Dereference

Title source: rule

Description

rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service (NULL pointer dereference and daemon crash) if a crypt() call fails.

References (14)

[Mailing List] http://seclists.org/fulldisclosure/2019/Dec/26

[Third Party Advisory] https://github.com/the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES

[Patch, Third Party Advisory] https://github.com/the-tcpdump-group/libpcap/commit/437b273761adedcbd880f714bfa44afeec186a31

View Patch ZIP pw:eip

[Mailing List] https://seclists.org/bugtraq/2019/Dec/23

[Vendor Advisory] https://support.apple.com/kb/HT210785

[Vendor Advisory] https://support.apple.com/kb/HT210788

[Vendor Advisory] https://support.apple.com/kb/HT210789

[Vendor Advisory] https://support.apple.com/kb/HT210790

[Vendor Advisory] https://support.f5.com/csp/article/K92862401?utm_source=f5support&amp%3Butm_medium=RSS

[Vendor Advisory] https://www.oracle.com/security-alerts/cpuapr2020.html

[Third Party Advisory] https://www.tcpdump.org/public-cve-list.txt

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5P5K3DQ4TFSZBDB3XN4CZNJNQ3UIF3D3/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GBIEKWLNIR62KZ5GA7EDXZS52HU6OE5F/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UZTIPUWABYUE5KQOLCKAW65AUUSB7QO6/

Scores

CVSS v3 7.5

EPSS 0.0078

EPSS Percentile 73.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-476

Status published

Affected Products (1)

tcpdump/libpcap < 1.9.1

Timeline

Published Oct 03, 2019

Tracked Since Feb 18, 2026