CVE-2019-15162

MEDIUM

Tcpdump Libpcap < 1.9.1 - Data Authenticity Bypass

Title source: rule

Description

rpcapd/daemon.c in libpcap before 1.9.1 on non-Windows platforms provides details about why authentication failed, which might make it easier for attackers to enumerate valid usernames.

References (13)

[Product, Release Notes] https://github.com/the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES

[Patch, Third Party Advisory] https://github.com/the-tcpdump-group/libpcap/commit/484d60cbf7ca4ec758c3cbb8a82d68b244a78d58

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://www.oracle.com/security-alerts/cpuapr2020.html

[Vendor 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/

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

Scores

CVSS v3 5.3

EPSS 0.0104

EPSS Percentile 77.2%

Attack Vector NETWORK

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

Classification

CWE

CWE-345

Status published

Affected Products (1)

tcpdump/libpcap < 1.9.1

Timeline

Published Oct 03, 2019

Tracked Since Feb 18, 2026