VDB-238233 · CVE-2023-40997 · GCVE-0-2023-40997

O-RAN ric-plt-lib-rmr 4.9.0 Packet buffer 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.
5.9	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in O-RAN ric-plt-lib-rmr 4.9.0. The affected element is an unknown function of the component Packet Handler. Performing a manipulation results in buffer overflow. This vulnerability was named CVE-2023-40997. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in O-RAN ric-plt-lib-rmr 4.9.0. This affects some unknown functionality of the component Packet Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on availability. The summary by CVE is:

Buffer Overflow vulnerability in O-RAN Software Community ric-plt-lib-rmr v.4.9.0 allows a remote attacker to cause a denial of service via a crafted packet.

The weakness was presented 08/29/2023. The advisory is shared at jira.o-ran-sc.org. This vulnerability is uniquely identified as CVE-2023-40997 since 08/22/2023. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/22/2023).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Vendor

O-RAN

Name

ric-plt-lib-rmr

Version

4.9.0

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/22/2023 🔍
08/29/2023 +7 days 🔍
08/29/2023 +0 days 🔍
09/22/2023 +24 days 🔍

Sourcesinfo

Advisory: jira.o-ran-sc.org
Status: Confirmed

CVE: CVE-2023-40997 (🔍)
GCVE (CVE): GCVE-0-2023-40997
GCVE (VulDB): GCVE-100-238233

Entryinfo

Created: 08/29/2023 07:33
Updated: 09/22/2023 09:28
Changes: 08/29/2023 07:33 (38), 09/22/2023 09:28 (11)
Complete: 🔍
Cache ID: 216::103