Oracle Communications Cloud Native Core Network Exposure Function Linux integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Oracle Communications Cloud Native Core Network Exposure Function 23.1.3. The impacted element is an unknown function of the component Linux. This manipulation causes an unknown weakness. This vulnerability is handled as CVE-2023-2603. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability has been found in Oracle Communications Cloud Native Core Network Exposure Function 23.1.3 (Cloud Software) and classified as critical. Affected by this vulnerability is an unknown code of the component Linux. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 10/17/2023 as Oracle Critical Patch Update Advisory - October 2023. It is possible to read the advisory at oracle.com. This vulnerability is known as CVE-2023-2603. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/18/2025).

The vulnerability scanner Nessus provides a plugin with the ID 233360 (Debian dla-4092 : libcap-dev - security update), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the databases at Tenable (233360) and EUVD (EUVD-2023-34077). Statistical analysis made it clear that VulDB provides the best quality 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: 7.6

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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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Nessus ID: 233360
Nessus Name: Debian dla-4092 : libcap-dev - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

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

Timelineinfo

05/09/2023 🔍
10/17/2023 +161 days 🔍
10/17/2023 +0 days 🔍
10/18/2023 +1 days 🔍
12/18/2025 +792 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - October 2023
Status: Confirmed

CVE: CVE-2023-2603 (🔍)
GCVE (CVE): GCVE-0-2023-2603
GCVE (VulDB): GCVE-100-242491
EUVD: 🔍

Entryinfo

Created: 10/18/2023 06:13
Updated: 12/18/2025 23:42
Changes: 10/18/2023 06:13 (38), 11/04/2023 19:35 (2), 11/04/2023 19:42 (11), 03/27/2025 05:10 (17), 12/18/2025 23:42 (1)
Complete: 🔍
Cache ID: 216::103

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

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