Oracle MICROS Workstation 6 up to 655 Sudo off-by-one

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Oracle MICROS Workstation 6 up to 655. It has been rated as critical. Affected by this issue is some unknown functionality of the component Sudo. The manipulation leads to an unknown weakness. This vulnerability is documented as CVE-2021-3156. The attack needs to be performed locally. Additionally, an exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Oracle MICROS Workstation 6 up to 655. It has been rated as critical. This issue affects an unknown function of the component Sudo. Using CWE to declare the problem leads to CWE-193. A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value. Impacted is confidentiality, integrity, and availability.

The weakness was released 07/20/2021 as Oracle Critical Patch Update Advisory - July 2021. The advisory is shared at oracle.com. The identification of this vulnerability is CVE-2021-3156. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as attacked. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 213304 (SUSE SLES12 Security Update : sudo (SUSE-SU-2024:4389-1)), which helps to determine the existence of the flaw in a target environment. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 04/06/2022 with a due date of 04/27/2022:

Apply updates per vendor instructions.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (49521) and Tenable (213304). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.7

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Off-by-one
CWE: CWE-193 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 213304
Nessus Name: SUSE SLES12 Security Update : sudo (SUSE-SU-2024:4389-1)

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

01/15/2021 🔍
07/20/2021 +185 days 🔍
07/20/2021 +0 days 🔍
07/21/2021 +1 days 🔍
02/03/2025 +1293 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - July 2021
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-3156 (🔍)
GCVE (CVE): GCVE-0-2021-3156
GCVE (VulDB): GCVE-100-179081
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/21/2021 10:37
Updated: 02/03/2025 18:57
Changes: 07/21/2021 10:37 (38), 07/24/2021 04:51 (3), 07/24/2021 05:04 (17), 04/25/2024 14:26 (27), 07/09/2024 22:34 (1), 09/21/2024 10:49 (1), 10/06/2024 23:01 (3), 12/21/2024 08:54 (2), 02/03/2025 18:57 (10)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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