Oracle Tekelec Platform Distribution up to 7.7.1 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 Tekelec Platform Distribution up to 7.7.1. It has been declared as critical. The impacted element is an unknown function of the component Sudo. Executing a manipulation can lead to an unknown weakness. This vulnerability appears as CVE-2021-3156. The attack requires local access. In addition, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Oracle Tekelec Platform Distribution up to 7.7.1. This vulnerability affects some unknown processing of the component Sudo. The CWE definition for the vulnerability is CWE-193. A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 10/19/2021 as Oracle Critical Patch Update Advisory - October 2021. The advisory is shared for download at oracle.com. This vulnerability was named CVE-2021-3156. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as attacked. As 0-day the estimated underground price was around $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. This issue was added on 04/06/2022 to the CISA Known Exploited Vulnerabilities Catalog 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). Once again VulDB remains the best 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

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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 🔍
10/19/2021 +276 days 🔍
10/19/2021 +0 days 🔍
10/20/2021 +1 days 🔍
02/03/2025 +1202 days 🔍

Sourcesinfo

Vendor: oracle.com

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

CVE: CVE-2021-3156 (🔍)
GCVE (CVE): GCVE-0-2021-3156
GCVE (VulDB): GCVE-100-184708
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/20/2021 08:09
Updated: 02/03/2025 18:57
Changes: 10/20/2021 08:09 (38), 10/24/2021 01:50 (3), 10/24/2021 01:58 (18), 04/25/2024 14:27 (26), 07/10/2024 00:34 (1), 09/21/2024 10:49 (1), 10/07/2024 06:30 (3), 12/21/2024 08:54 (2), 02/03/2025 18:57 (10)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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