Vulnerability CVE-2011-2480
Published: 2019-11-27   Modified: 2019-11-29

Description:
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.

Type:

CWE-200

 (Information Exposure)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Netbsd -> Netbsd 
Freebsd -> Freebsd 

 References:
https://access.redhat.com/security/cve/cve-2011-2480
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631160
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631161
https://security-tracker.debian.org/tracker/CVE-2011-2480
https://www.openwall.com/lists/oss-security/2011/06/20/15
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