illumos Thread ip_attr.c conn_ixa input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

A vulnerability was found in illumos (the affected version unknown). It has been rated as problematic. This issue affects the function conn_ixa of the file uts/common/inet/ip/ip_attr.c of the component Thread Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

illumos, as used in OmniOS Community Edition before r151030y, allows a kernel crash via an application with multiple threads calling sendmsg concurrently over a single socket, because uts/common/inet/ip/ip_attr.c mishandles conn_ixa dereferences.

The weakness was published 11/29/2019. The identification of this vulnerability is CVE-2019-19396. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/29/2019 🔍
11/29/2019 +0 days 🔍
12/04/2019 +5 days 🔍
03/05/2024 +1553 days 🔍

Sourcesinfo

Advisory: 11556
Status: Not defined

CVE: CVE-2019-19396 (🔍)

Entryinfo

Created: 12/04/2019 08:44
Updated: 03/05/2024 13:22
Changes: 12/04/2019 08:44 (36), 12/04/2019 08:49 (16), 03/05/2024 13:22 (6)
Complete: 🔍

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