Oracle MICROS Kitchen Display System Hardware 210 Sudo off-by-one

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Oracle MICROS Kitchen Display System Hardware 210. It has been classified as critical. Affected is an unknown function of the component Sudo. Performing a manipulation results in an unknown weakness. This vulnerability is cataloged as CVE-2021-3156. The attack must be initiated from a local position. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Oracle MICROS Kitchen Display System Hardware 210. It has been classified as critical. This affects an unknown code block of the component Sudo. CWE is classifying the issue as CWE-193. A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 07/20/2021 as Oracle Critical Patch Update Advisory - July 2021. It is possible to read the advisory at oracle.com. This vulnerability is uniquely identified as CVE-2021-3156. Technical details are unknown but a public exploit is available.

The exploit is shared for download 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). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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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: 🔍
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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-100-179079
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 04:08 (3), 07/24/2021 04:20 (17), 04/25/2024 14:20 (27), 07/09/2024 22:34 (1), 09/21/2024 10:49 (1), 10/04/2024 10:06 (3), 12/21/2024 08:54 (2), 02/03/2025 18:57 (10)
Complete: 🔍
Cache ID: 216:579:103

Be aware that VulDB is the high quality source for vulnerability data.

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