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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.016 (74.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- FreeBSD
- FreeBSD, NetBSD FreeBSD — versions before 8.2
- FreeBSD, NetBSD
- NetBSD
Weakness classification (CWE)
References
- security-tracker.debian.org/tracker/CVE-2011-2480 (Third Party Advisory)
- access.redhat.com/security/cve/cve-2011-2480 (Broken Link)
- bugs.debian.org/cgi-bin/bugreport.cgi (Third Party Advisory)
- bugs.debian.org/cgi-bin/bugreport.cgi (Third Party Advisory)
- www.openwall.com/lists/oss-security/2011/06/20/15 (mailing-list, 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.