CVE-2019-15165

libpcap: Resource exhaustion during PHB header length validation

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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

En el archivo sf-pcapng.c en libpcap versiones anteriores a 1.9.1, no comprueba apropiadamente la longitud del encabezado PHB antes de asignar la memoria.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-08-19 CVE Reserved
2019-10-03 CVE Published
2024-08-05 CVE Updated
2024-09-26 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-400: Uncontrolled Resource Consumption
CWE-770: Allocation of Resources Without Limits or Throttling

CAPEC

References (22)

URL	Tag	Source
http://seclists.org/fulldisclosure/2019/Dec/26	Issue Tracking
https://github.com/the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES	Product
https://lists.debian.org/debian-lts-announce/2019/10/msg00031.html	Mailing List
https://lists.debian.org/debian-lts-announce/2021/12/msg00014.html	Mailing List
https://seclists.org/bugtraq/2019/Dec/23	Mailing List
https://support.apple.com/kb/HT210785	Third Party Advisory
https://support.apple.com/kb/HT210788	Third Party Advisory
https://support.apple.com/kb/HT210789	Third Party Advisory
https://support.apple.com/kb/HT210790	Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://github.com/the-tcpdump-group/libpcap/commit/87d6bef033062f969e70fa40c43dfd945d5a20ab	2023-11-07
https://github.com/the-tcpdump-group/libpcap/commit/a5a36d9e82dde7265e38fe1f87b7f11c461c29f6	2023-11-07

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00051.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00052.html	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5P5K3DQ4TFSZBDB3XN4CZNJNQ3UIF3D3	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GBIEKWLNIR62KZ5GA7EDXZS52HU6OE5F	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UZTIPUWABYUE5KQOLCKAW65AUUSB7QO6	2023-11-07
https://usn.ubuntu.com/4221-1	2023-11-07
https://usn.ubuntu.com/4221-2	2023-11-07
https://www.tcpdump.org/public-cve-list.txt	2023-11-07
https://access.redhat.com/security/cve/CVE-2019-15165	2020-11-04
https://bugzilla.redhat.com/show_bug.cgi?id=1760618	2020-11-04

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Tcpdump Search vendor "Tcpdump"		Libpcap Search vendor "Tcpdump" for product "Libpcap"				< 1.9.1 Search vendor "Tcpdump" for product "Libpcap" and version " < 1.9.1"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.0 Search vendor "Opensuse" for product "Leap" and version "15.0"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.1 Search vendor "Opensuse" for product "Leap" and version "15.1"		-		Affected
Oracle Search vendor "Oracle"		Communications Operations Monitor Search vendor "Oracle" for product "Communications Operations Monitor"				3.4 Search vendor "Oracle" for product "Communications Operations Monitor" and version "3.4"		-		Affected
Oracle Search vendor "Oracle"		Communications Operations Monitor Search vendor "Oracle" for product "Communications Operations Monitor"				4.0 Search vendor "Oracle" for product "Communications Operations Monitor" and version "4.0"		-		Affected
Oracle Search vendor "Oracle"		Communications Operations Monitor Search vendor "Oracle" for product "Communications Operations Monitor"				4.1 Search vendor "Oracle" for product "Communications Operations Monitor" and version "4.1"		-		Affected
Oracle Search vendor "Oracle"		Communications Operations Monitor Search vendor "Oracle" for product "Communications Operations Monitor"				4.2 Search vendor "Oracle" for product "Communications Operations Monitor" and version "4.2"		-		Affected
Oracle Search vendor "Oracle"		Communications Operations Monitor Search vendor "Oracle" for product "Communications Operations Monitor"				4.3 Search vendor "Oracle" for product "Communications Operations Monitor" and version "4.3"		-		Affected
Apple Search vendor "Apple"		Ipados Search vendor "Apple" for product "Ipados"				13.3 Search vendor "Apple" for product "Ipados" and version "13.3"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				13.3 Search vendor "Apple" for product "Iphone Os" and version "13.3"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				>= 10.13 < 10.13.6 Search vendor "Apple" for product "Mac Os X" and version " >= 10.13 < 10.13.6"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.13.6 Search vendor "Apple" for product "Mac Os X" and version "10.13.6"		security_update_2019-007		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6"		security_update_2019-002		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				10.15.2 Search vendor "Apple" for product "Mac Os X" and version "10.15.2"		-		Affected
Apple Search vendor "Apple"		Tvos Search vendor "Apple" for product "Tvos"				13.3 Search vendor "Apple" for product "Tvos" and version "13.3"		-		Affected
Apple Search vendor "Apple"		Watchos Search vendor "Apple" for product "Watchos"				6.1.1 Search vendor "Apple" for product "Watchos" and version "6.1.1"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				12.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		esm		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		esm		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				19.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "19.04"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				29 Search vendor "Fedoraproject" for product "Fedora" and version "29"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				30 Search vendor "Fedoraproject" for product "Fedora" and version "30"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				31 Search vendor "Fedoraproject" for product "Fedora" and version "31"		-		Affected