Information disclosure in Freebsd
CVE-2011-2480
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.
Vulnerability class: Information Disclosure
EPSS: 0.016 (73.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Freebsd
- Freebsd, Netbsd Freebsd — versions before 8.2
- Freebsd, Netbsd — versions n/a
- Netbsd
Weakness classification (CWE)
References
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (x_refsource_MISC, Broken Link)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2011-2480?
- CVE-2011-2480 is a high-severity vulnerability in Freebsd, classified under Information Disclosure. CVSS score: 7.5/10. Published 2019-11-27.
- How severe is CVE-2011-2480?
- High severity. CVSS v3 base score is 7.5 out of 10.