Das U-Boot up to 2019.07 net_process_received_packet UDP Packet integer underflow

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

A vulnerability was found in Das U-Boot up to 2019.07. It has been rated as critical. Affected by this issue is the function net_process_received_packet. The manipulation as part of a UDP Packet leads to a integer underflow vulnerability. Using CWE to declare the problem leads to CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy when parsing a UDP packet due to a net_process_received_packet integer underflow during an *udp_packet_handler call.

The weakness was shared 07/31/2019. This vulnerability is handled as CVE-2019-14199 since 07/19/2019. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

Addressing this vulnerability is possible by firewalling .

The entries 139098, 139097, 139096 and 139095 are related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer underflow
CWE: CWE-191 / CWE-189
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: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/19/2019 🔍
07/31/2019 +12 days 🔍
08/01/2019 +1 days 🔍
11/14/2023 +1566 days 🔍

Sourcesinfo

Advisory: blog.semmle.com
Status: Not defined

CVE: CVE-2019-14199 (🔍)
See also: 🔍

Entryinfo

Created: 08/01/2019 09:41 AM
Updated: 11/14/2023 03:56 PM
Changes: 08/01/2019 09:41 AM (37), 07/17/2020 09:50 AM (17), 11/14/2023 03:56 PM (4)
Complete: 🔍

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