FreeBSD up to 12.1 ioctl Command input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in FreeBSD up to 12.1. Affected is an unknown function of the component ioctl Command Handler. Performing a manipulation results in input validation. This vulnerability is reported as CVE-2019-15877. The attack requires a local approach. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in FreeBSD up to 12.1 (Operating System). It has been classified as critical. This affects some unknown functionality of the component ioctl Command Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In FreeBSD 12.1-STABLE before r356606 and 12.1-RELEASE before 12.1-RELEASE-p3, driver specific ioctl command handlers in the ixl network driver failed to check whether the caller has sufficient privileges allowing unprivileged users to trigger updates to the device's non-volatile memory.

The weakness was disclosed 04/28/2020 (Website). It is possible to read the advisory at security.FreeBSD.org. This vulnerability is uniquely identified as CVE-2019-15877 since 09/03/2019. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

Applying a patch is able to eliminate this problem.

The entry VDB-154526 is pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/03/2019 🔍
04/28/2020 +238 days 🔍
04/29/2020 +1 days 🔍
10/14/2020 +168 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: security.FreeBSD.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-15877 (🔍)
GCVE (CVE): GCVE-0-2019-15877
GCVE (VulDB): GCVE-100-154527
See also: 🔍

Entryinfo

Created: 04/29/2020 08:07
Updated: 10/14/2020 04:58
Changes: 04/29/2020 08:07 (38), 04/29/2020 08:12 (18), 10/14/2020 04:58 (1)
Complete: 🔍
Cache ID: 216::103

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