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

EPSS: 0.051 (91.5th percentile) — read the EPSS interpretation.

Affected products

  • Netbsd — versions 4.0, 5.0, 5.0.1
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (US Government Resource, x_refsource_CERT-VN, third-party-advisory)
  • cve@mitre.org (vendor-advisory, x_refsource_NETBSD, Vendor Advisory)
  • cve@mitre.org (mailing-list, x_refsource_FULLDISC)

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.