Buffer overflow in NetBSD
CVE-2011-1547
Multiple stack consumption vulnerabilities in the kernel in NetBSD 4.0, 5.0 before 5.0.3, and 5.1 before 5.1.1, when IPsec is enabled, allow remote attackers to cause a denial of service (memory corruption and panic) or possibly have unspecified other impact via a crafted (1) IPv4 or (2) IPv6 packet with nested IPComp headers.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.8 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.051 (92.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.051 · newest: 0.051 · change: 0.000
Affected products
- NetBSD — versions 4.0, 5.0, 5.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.kb.cert.org/vuls/id/668220 (US Government Resource, third-party-advisory)
- ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2011-004.txt.asc (vendor-advisory, Vendor Advisory)
- lists.grok.org.uk/pipermail/full-disclosure/2011-April/080031.html (mailing-list)
Frequently asked questions
- What is CVE-2011-1547?
- CVE-2011-1547 is a vulnerability in NetBSD, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2011-05-09.
- Is CVE-2011-1547 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.