CVE-2011-1547 Memory corruption in n/a

Medium 6.8 Published Updated

Remote attackers can cause denial of service via crafted packets when IPsec is enabled in NetBSD kernels.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2011-1547?

CVE-2011-1547 is a medium-severity memory corruption vulnerability in Netbsd Netbsd, published on 9 May 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-119

Which versions are affected by CVE-2011-1547?

It affects 1 product.

Products include Netbsd Netbsd.

How do I fix CVE-2011-1547?

No fix has been published for CVE-2011-1547 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2011-1547 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-1547 exists.

Public exploit code: 1 Exploit-DB entry.

All Netbsd Netbsd vulnerabilities

Sources

Also known as GHSA-gm4v-77j4-2h42.

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