CVE-2011-2480

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Information Disclosure vulnerability in the 802.11 stack, as used in FreeBSD before 8.2 and NetBSD when using certain non-x86 architectures. A signedness error in the IEEE80211_IOC_CHANINFO ioctl allows a local unprivileged user to cause the kernel to copy large amounts of kernel memory back to the user, disclosing potentially sensitive information.

Una vulnerabilidad de Divulgación de Información en el protocolo 802.11 stack, como es usado en FreeBSD versiones anteriores a la versión 8.2 y NetBSD cuando es usado en ciertas arquitecturas que no son x86. Un error de firma en la ioctl IEEE80211_IOC_CHANINFO permite a un usuario local sin privilegios causar que el kernel copie grandes cantidades de memoria de kernel hacia el usuario, revelando información potencialmente confidencial.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-06-15 CVE Reserved
2019-11-27 CVE Published
2023-03-07 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

CAPEC

References (5)

URL	Tag	Source
https://access.redhat.com/security/cve/cve-2011-2480	Broken Link
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631160	Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631161	Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2011-2480	Third Party Advisory
https://www.openwall.com/lists/oss-security/2011/06/20/15	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				< 8.2 Search vendor "Freebsd" for product "Freebsd" and version " < 8.2"		-		Affected
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				-		x86		Affected