ToaruOS up to 1.10.9 kernel/sys/syscall.c sys_sbrk input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

A vulnerability was found in ToaruOS up to 1.10.9. It has been declared as problematic. Affected by this vulnerability is the function sys_sbrk of the file kernel/sys/syscall.c. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

kernel/sys/syscall.c in ToaruOS through 1.10.9 allows a denial of service upon a critical error in certain sys_sbrk allocation patterns (involving PAGE_SIZE, and a value less than PAGE_SIZE).

The weakness was disclosed 06/29/2019. This vulnerability is known as CVE-2019-13048 since 06/29/2019. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are known, 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.

The entries VDB-137078, VDB-137076 and VDB-137075 are pretty similar.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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
CAPEC: 🔍
ATT&CK: 🔍

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: 🔍

Timelineinfo

06/29/2019 🔍
06/29/2019 +0 days 🔍
06/30/2019 +1 days 🔍
10/09/2023 +1562 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2019-13048 (🔍)
See also: 🔍

Entryinfo

Created: 06/30/2019 11:20 AM
Updated: 10/09/2023 01:23 PM
Changes: 06/30/2019 11:20 AM (36), 06/29/2020 09:33 AM (17), 10/09/2023 01:23 PM (3)
Complete: 🔍
Cache ID: 44:FF0:40

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