PT-2019-14018 · Tcpdump+1 · Libpcap+1

Published 2019-10-03 · Updated 2021-03-03 · CVE-2019-15162

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions libpcap versions prior to 1.9.1

Description The issue allows attackers to potentially enumerate valid usernames by providing details about why authentication failed.

Recommendations For versions prior to 1.9.1, update to version 1.9.1 or later to resolve the issue.

Fix

Insufficient Verification of Data Authenticity

Weakness Enumeration

CWE-345

Related Identifiers

ALT-PU-2019-3119

ALT-PU-2020-3562

ALT-PU-2021-1432

CVE-2019-15162

MGASA-2019-0297

Affected Products

Alt Linux

Libpcap

References · 24

• https://github.com/the-tcpdump-group/libpcap/commit/484d60cbf7ca4ec758c3cbb8a82d68b244a78d58 · Patch
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5P5K3DQ4TFSZBDB3XN4CZNJNQ3UIF3D3 · Vendor Advisory
• https://tcpdump.org/public-cve-list.txt · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-15162 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-15162 · Security Note
• https://osv.dev/vulnerability/CVE-2019-15162 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2019-0297 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GBIEKWLNIR62KZ5GA7EDXZS52HU6OE5F · Vendor Advisory
• https://advisories.mageia.org/MGASA-2019-0297.html · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UZTIPUWABYUE5KQOLCKAW65AUUSB7QO6 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2019-15162 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2019-15162 · Vendor Advisory
• https://github.com/the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES · Note
• https://support.apple.com/kb/HT210789 · Note
• https://support.apple.com/kb/HT210790 · Note