CVE-2019-15165 Information

Description

sf-pcapng.c in libpcap before 1.9.1 does not properly validate the PHB header length before allocating memory.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00051.html http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00052.html http://seclists.org/fulldisclosure/2019/Dec/26 https://github.com/the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES https://github.com/the-tcpdump-group/libpcap/commit/87d6bef033062f969e70fa40c43dfd945d5a20ab https://github.com/the-tcpdump-group/libpcap/commit/a5a36d9e82dde7265e38fe1f87b7f11c461c29f6 https://lists.debian.org/debian-lts-announce/2019/10/msg00031.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5P5K3DQ4TFSZBDB3XN4CZNJNQ3UIF3D3/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GBIEKWLNIR62KZ5GA7EDXZS52HU6OE5F/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UZTIPUWABYUE5KQOLCKAW65AUUSB7QO6/ https://seclists.org/bugtraq/2019/Dec/23 https://support.apple.com/kb/HT210785 https://support.apple.com/kb/HT210788 https://support.apple.com/kb/HT210789 https://support.apple.com/kb/HT210790 https://usn.ubuntu.com/4221-1/ https://usn.ubuntu.com/4221-2/ https://www.oracle.com/security-alerts/cpuapr2020.html https://www.tcpdump.org/public-cve-list.txt

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

5.3