CVE-2011-1547 EXPLOIT
6.8
MEDIUM · CVSS 2.0 · EPSS 5.1% (pctl 92)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 6.8 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| EPSS | 5.08% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2011-05-09 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| netbsd | netbsd |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | IPComp - encapsulation Kernel Memory Corruption | 2011-04-01 |
References
- http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2011-004.txt.asc
- http://lists.grok.org.uk/pipermail/full-disclosure/2011-April/080031.html
- http://www.kb.cert.org/vuls/id/668220
- http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2011-004.txt.asc
- http://lists.grok.org.uk/pipermail/full-disclosure/2011-April/080031.html
- http://www.kb.cert.org/vuls/id/668220
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