VDB-207517 · CVE-2022-0485 · Nessus 209571

libnbd nbdcopy Error return value

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 problematic has been detected in libnbd. This affects an unknown part of the component nbdcopy. This manipulation of the argument Error causes return value. This vulnerability is tracked as CVE-2022-0485. No exploit exists. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability has been found in libnbd (affected version not known) and classified as problematic. Affected by this vulnerability is some unknown functionality of the component nbdcopy. The manipulation of the argument error with an unknown input leads to a return value vulnerability. The CWE definition for the vulnerability is CWE-252. The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions. As an impact it is known to affect integrity, and availability. The summary by CVE is:

A flaw was found in the copying tool `nbdcopy` of libnbd. When performing multi-threaded copies using asynchronous nbd calls, nbdcopy was blindly treating the completion of an asynchronous command as successful, rather than checking the *error parameter. This could result in the silent creation of a corrupted destination image.

The weakness was disclosed 08/29/2022 as 8d444b41d09a700c7ee6f9182a649f3f2d325abb. The advisory is shared at gitlab.com. This vulnerability is known as CVE-2022-0485 since 02/03/2022. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 209571 (Oracle Linux 8 : virt:kvm_utils3 (ELSA-2024-12792)), which helps to determine the existence of the flaw in a target environment.

Applying the patch 8d444b41d09a700c7ee6f9182a649f3f2d325abb is able to eliminate this problem. The bugfix is ready for download at gitlab.com.

The vulnerability is also documented in the vulnerability database at Tenable (209571). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

libnbd

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.4
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: Return value
CWE: CWE-252 / CWE-253
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

Nessus ID: 209571
Nessus Name: Oracle Linux 8 : virt:kvm_utils3 (ELSA-2024-12792)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 8d444b41d09a700c7ee6f9182a649f3f2d325abb

Timelineinfo

02/03/2022 🔍
08/29/2022 +206 days 🔍
08/29/2022 +0 days 🔍
10/25/2024 +788 days 🔍

Sourcesinfo

Advisory: 8d444b41d09a700c7ee6f9182a649f3f2d325abb
Status: Confirmed

CVE: CVE-2022-0485 (🔍)
GCVE (CVE): GCVE-0-2022-0485
GCVE (VulDB): GCVE-100-207517

Entryinfo

Created: 08/29/2022 21:21
Updated: 10/25/2024 03:02
Changes: 08/29/2022 21:21 (40), 10/09/2022 13:37 (11), 10/25/2024 03:02 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.