Xen XAPI Open File Limit file descriptor consumption

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Xen. It has been classified as problematic. This impacts an unknown function of the component XAPI Open File Limit Handler. This manipulation causes file descriptor consumption. The identification of this vulnerability is CVE-2022-33749. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as problematic was found in Xen (Virtualization Software) (unknown version). Affected by this vulnerability is an unknown code block of the component XAPI Open File Limit Handler. The manipulation with an unknown input leads to a file descriptor consumption vulnerability. The CWE definition for the vulnerability is CWE-769. This entry has been deprecated because it was a duplicate of CWE-774. All content has been transferred to CWE-774. As an impact it is known to affect availability. The summary by CVE is:

XAPI open file limit DoS It is possible for an unauthenticated client on the network to cause XAPI to hit its file-descriptor limit. This causes XAPI to be unable to accept new requests for other (trusted) clients, and blocks XAPI from carrying out any tasks that require the opening of file descriptors.

The weakness was shared 10/11/2022. It is possible to read the advisory at xenbits.xenproject.org. This vulnerability is known as CVE-2022-33749 since 06/15/2022. The technical details are unknown and an exploit is not publicly available.

Applying a patch is able to eliminate this problem.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: File descriptor consumption
CWE: CWE-769 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/15/2022 🔍
10/11/2022 +118 days 🔍
10/11/2022 +0 days 🔍
11/05/2022 +25 days 🔍

Sourcesinfo

Advisory: xenbits.xenproject.org
Status: Confirmed

CVE: CVE-2022-33749 (🔍)
GCVE (CVE): GCVE-0-2022-33749
GCVE (VulDB): GCVE-100-210439

Entryinfo

Created: 10/11/2022 16:29
Updated: 11/05/2022 09:24
Changes: 10/11/2022 16:29 (38), 11/05/2022 09:24 (11)
Complete: 🔍
Cache ID: 216::103

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