CVE-2019-19521

Published: Dic 05, 2019 Last Modified: Nov 21, 2024 EU-VD ID: EUVD-2019-9139 Aliases: GSD-2019-19521
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
HIGH 7,5
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

libc in OpenBSD 6.6 allows authentication bypass via the -schallenge username, as demonstrated by smtpd, ldapd, or radiusd. This is related to gen/auth_subr.c and gen/authenticate.c in libc (and login/login.c and xenocara/app/xenodm/greeter/verify.c).

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0054
Percentile
0,7th
Updated

EPSS Score Trend (Last 91 Days)

287

Improper Authentication

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability Access Control
Potential Impacts:
Read Application Data Gain Privileges Or Assume Identity Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies: ICS/OT, Not Technology-Specific, Web Based
Likelihood of Exploit: High
View CWE Details
Operating System

Openbsd by Openbsd

Product Information
Vendor Openbsd
Product Openbsd
Version 6.6
cpe:2.3:o:openbsd:openbsd:6.6:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
http://packetstormsecurity.com/files/155572/Qualys-Security…
Third Party Advisory
http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Au…
http://seclists.org/fulldisclosure/2019/Dec/14
Third Party Advisory
http://seclists.org/fulldisclosure/2019/Dec/14
https://seclists.org/bugtraq/2019/Dec/8
Exploit Mailing List Third Party Advisory
https://seclists.org/bugtraq/2019/Dec/8
https://www.openbsd.org/errata66.html
Vendor Advisory
https://www.openbsd.org/errata66.html
https://www.openwall.com/lists/oss-security/2019/12/04/5
Exploit Mailing List Third Party Advisory
https://www.openwall.com/lists/oss-security/2019/12/04/5
http://www.openwall.com/lists/oss-security/2019/12/04/5
Exploit Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/12/04/5
http://www.openwall.com/lists/oss-security/2019/12/04/6
Mailing List
http://www.openwall.com/lists/oss-security/2019/12/04/6
http://packetstormsecurity.com/files/155572/Qualys-Security…
Third Party Advisory
http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Au…
http://seclists.org/fulldisclosure/2019/Dec/14
Third Party Advisory
http://seclists.org/fulldisclosure/2019/Dec/14
https://seclists.org/bugtraq/2019/Dec/8
Exploit Mailing List Third Party Advisory
https://seclists.org/bugtraq/2019/Dec/8
https://www.openbsd.org/errata66.html
Vendor Advisory
https://www.openbsd.org/errata66.html
https://www.openwall.com/lists/oss-security/2019/12/04/5
Exploit Mailing List Third Party Advisory
https://www.openwall.com/lists/oss-security/2019/12/04/5
http://www.openwall.com/lists/oss-security/2019/12/04/5
Exploit Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/12/04/5
http://www.openwall.com/lists/oss-security/2019/12/04/6
Mailing List
http://www.openwall.com/lists/oss-security/2019/12/04/6