VDB-14920 · CVE-1999-1076 · BID 745

Apple Mac OS 9 Console Lockout improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Apple Mac OS 9. This issue affects some unknown processing of the component Console Lockout. Executing a manipulation can lead to improper authentication. This vulnerability is registered as CVE-1999-1076. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple Mac OS 9 (Operating System). It has been declared as problematic. This vulnerability affects an unknown part of the component Console Lockout. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Idle locking function in MacOS 9 allows local users to bypass the password protection of idled sessions by selecting the "Log Out" option and selecting a "Cancel" option in the dialog box for an application that attempts to verify that the user wants to log out, which returns the attacker into the locked session.

The weakness was published 10/26/1999 by Sean (Website). The advisory is shared for download at marc.theaimsgroup.com. This vulnerability was named CVE-1999-1076. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 745†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/26/1999 🔍
10/26/1999 +0 days 🔍
10/26/1999 +0 days 🔍
06/22/2014 +5353 days 🔍
04/19/2026 +4319 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: marc.theaimsgroup.com
Researcher: Sean
Status: Confirmed

CVE: CVE-1999-1076 (🔍)
GCVE (CVE): GCVE-0-1999-1076
GCVE (VulDB): GCVE-100-14920
SecurityFocus: 745 - MacOS 9 Console Lock Bypass Vulnerability

Entryinfo

Created: 06/22/2014 14:10
Updated: 04/19/2026 16:16
Changes: 06/22/2014 14:10 (52), 04/04/2019 21:49 (1), 04/19/2026 16:16 (18)
Complete: 🔍
Cache ID: 216::103

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