CVE-2019-11577 Memory corruption in n/a

Critical 9.8 Published Updated

A buffer overflow in dhcpcd allows attackers to execute arbitrary code or cause denial of service via crafted DHCPv6 messages.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2019-11577?

CVE-2019-11577 is a critical memory corruption vulnerability in n/a, published on 28 Apr 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

dhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when reading NA/TA addresses.

Weakness: CWE-119

Which versions are affected by CVE-2019-11577?

It affects 1 product.

Products include Dhcpcd Project Dhcpcd.

How do I fix CVE-2019-11577?

Upgrade to a fixed version.

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

Is CVE-2019-11577 being exploited?

There is no known exploitation of CVE-2019-11577 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2019-11577, GHSA-2ppc-97gw-v7r8.

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