VDB-143060 · CVE-2019-17351 · USN-4286-1

Xen up to 4.12.x Linux Kernel drivers/xen/balloon.c resource consumption

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.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Xen up to 4.12.x. Impacted is an unknown function of the file drivers/xen/balloon.c of the component Linux Kernel. Such manipulation leads to resource consumption. This vulnerability is referenced as CVE-2019-17351. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in Xen up to 4.12.x (Virtualization Software) and classified as problematic. Affected by this issue is an unknown functionality of the file drivers/xen/balloon.c of the component Linux Kernel. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. CVE summarizes:

An issue was discovered in drivers/xen/balloon.c in the Linux kernel before 5.2.3, as used in Xen through 4.12.x, allowing guest OS users to cause a denial of service because of unrestricted resource consumption during the mapping of guest memory, aka CID-6ef36ab967c7.

The weakness was published 10/08/2019 (Website). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2019-17351 since 10/07/2019. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

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

Similar entries are available at VDB-143059, VDB-143058, VDB-143057 and VDB-143056. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Virtualization Software

Name

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.1

VulDB Base Score: 3.8
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

10/07/2019 🔍
10/08/2019 +1 days 🔍
10/09/2019 +1 days 🔍
01/05/2024 +1549 days 🔍

Sourcesinfo

Advisory: USN-4286-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-17351 (🔍)
GCVE (CVE): GCVE-0-2019-17351
GCVE (VulDB): GCVE-100-143060
See also: 🔍

Entryinfo

Created: 10/09/2019 13:02
Updated: 01/05/2024 09:13
Changes: 10/09/2019 13:02 (55), 09/27/2020 20:33 (2), 01/05/2024 09:13 (4)
Complete: 🔍
Cache ID: 216::103