CVE-2019-9917

Severity Score

6.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

ZNC before 1.7.3-rc1 allows an existing remote user to cause a Denial of Service (crash) via invalid encoding.

ZNC, en versiones anteriores a la 1.7.3-rc1, permite que un usuario remoto existente provoque una denegación de servicio (cierre inesperado) mediante el cifrado inválido.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-03-21 CVE Reserved
2019-03-27 CVE Published
2024-08-04 CVE Updated
2024-08-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (9)

URL	Tag	Source
https://seclists.org/bugtraq/2019/Jun/23	Mailing List

URL	Date	SRC

URL	Date	SRC
https://github.com/znc/znc/commit/64613bc8b6b4adf1e32231f9844d99cd512b8973	2023-11-07

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00037.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00018.html	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WTRBTPL7WWKQ7DZ2ALDTCGYUWSE6SL3	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WRHCMHI44AW5CJ22WV676BKFUWWCLA7T	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZRVSINQHM623GJYYNDSBYSXT2MHKFCYQ	2023-11-07
https://usn.ubuntu.com/3950-1	2023-11-07
https://www.debian.org/security/2019/dsa-4463	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Znc Search vendor "Znc"		Znc Search vendor "Znc" for product "Znc"				<= 1.7.2 Search vendor "Znc" for product "Znc" and version " <= 1.7.2"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.10"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				28 Search vendor "Fedoraproject" for product "Fedora" and version "28"		-		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