CVE-2020-17529

Apache NuttX (incubating) Out of Bound Write from invalid fragmentation offset value specified in the IP header

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Out-of-bounds Write vulnerability in TCP Stack of Apache NuttX (incubating) versions up to and including 9.1.0 and 10.0.0 allows attacker to corrupt memory by supplying and invalid fragmentation offset value specified in the IP header. This is only impacts builds with both CONFIG_EXPERIMENTAL and CONFIG_NET_TCP_REASSEMBLY build flags enabled.

Una vulnerabilidad de escritura fuera de límites en la pila TCP de Apache NuttX (incubating) versiones hasta e incluyendo a 9.1.0 y 10.0.0, permite a un atacante corromper la memoria al suministrar un valor de compensación de fragmentación no válido especificado en el encabezado IP. Esto solo afecta a las compilaciones con los indicadores de compilación CONFIG_EXPERIMENTAL y CONFIG_NET_TCP_REASSEMBLY habilitados

*Credits: Apache NuttX would like to thank Forescout for reporting the issue

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-08-12 CVE Reserved
2020-12-09 CVE Published
2024-12-17 EPSS Updated
2025-02-13 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (2)

URL	Tag	Source
http://www.openwall.com/lists/oss-security/2020/12/09/5	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://lists.apache.org/thread.html/r4d71ae3ab96b589835b94ba7ac4cb88a704e7307bceefeab749366f3%40%3Cdev.nuttx.apache.org%3E	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apache Search vendor "Apache"		Nuttx Search vendor "Apache" for product "Nuttx"				<= 9.1.0 Search vendor "Apache" for product "Nuttx" and version " <= 9.1.0"		-		Affected
Apache Search vendor "Apache"		Nuttx Search vendor "Apache" for product "Nuttx"				10.0.0 Search vendor "Apache" for product "Nuttx" and version "10.0.0"		-		Affected