dpdk up to 18.11.9/19.11.4 Virtio Ring Descriptor toctou

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in dpdk up to 18.11.9/19.11.4 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Virtio Ring Descriptor. The manipulation results in toctou. This vulnerability is identified as CVE-2020-14375. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in dpdk up to 18.11.9/19.11.4. It has been classified as critical. Affected is an unknown code of the component Virtio Ring Descriptor. The manipulation with an unknown input leads to a toctou vulnerability. CWE is classifying the issue as CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A flaw was found in dpdk in versions before 18.11.10 and before 19.11.5. Virtio ring descriptors, and the data they describe are in a region of memory accessible by from both the virtual machine and the host. An attacker in a VM can change the contents of the memory after vhost_crypto has validated it. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

The weakness was released 09/30/2020 as Bug 1879468 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2020-14375 since 06/17/2020. There are neither technical details nor an exploit publicly available.

Upgrading to version 18.11.10 or 19.11.5 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-162099, VDB-162098, VDB-162097 and VDB-162095. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Toctou
CWE: CWE-367 / CWE-362
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: dpdk 18.11.10/19.11.5

Timelineinfo

06/17/2020 🔍
09/30/2020 +105 days 🔍
10/01/2020 +1 days 🔍
11/15/2020 +45 days 🔍

Sourcesinfo

Advisory: Bug 1879468
Status: Not defined

CVE: CVE-2020-14375 (🔍)
GCVE (CVE): GCVE-0-2020-14375
GCVE (VulDB): GCVE-100-162096
See also: 🔍

Entryinfo

Created: 10/01/2020 09:20
Updated: 11/15/2020 01:44
Changes: 10/01/2020 09:20 (40), 10/01/2020 09:25 (3), 11/13/2020 08:01 (3), 11/15/2020 01:44 (8)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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