VDB-184683 · CVE-2021-21783 · GCVE-0-2021-21783

Oracle Tekelec Virtual Operating Environment up to 3.7.1 gSOAP integer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.6	$25k-$100k	0.00

Summaryinfo

A vulnerability identified as very critical has been detected in Oracle Tekelec Virtual Operating Environment up to 3.7.1. This issue affects some unknown processing of the component gSOAP. Performing a manipulation results in an unknown weakness. This vulnerability was named CVE-2021-21783. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Oracle Tekelec Virtual Operating Environment up to 3.7.1. This affects some unknown functionality of the component gSOAP. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 10/19/2021 as Oracle Critical Patch Update Advisory - October 2021. It is possible to read the advisory at oracle.com. This vulnerability is uniquely identified as CVE-2021-21783. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $25k-$100k at the moment (estimation calculated on 10/23/2021).

We expect the 0-day to have been worth approximately $100k and more.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Oracle

Name

Tekelec Virtual Operating Environment

Version

License

commercial

Website

Vendor: https://www.oracle.com

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

01/04/2021 🔍
10/19/2021 +287 days 🔍
10/19/2021 +0 days 🔍
10/20/2021 +1 days 🔍
10/23/2021 +3 days 🔍

Sourcesinfo

Vendor: oracle.com

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

CVE: CVE-2021-21783 (🔍)
GCVE (CVE): GCVE-0-2021-21783
GCVE (VulDB): GCVE-100-184683

Entryinfo

Created: 10/20/2021 08:09
Updated: 10/23/2021 18:15
Changes: 10/20/2021 08:09 (38), 10/23/2021 18:07 (2), 10/23/2021 18:15 (18)
Complete: 🔍
Cache ID: 216::103