CVE-2009-1632 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can cause denial of service via memory leaks in IPsec-tools during certificate verification or NAT traversal.

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

What is CVE-2009-1632?

CVE-2009-1632 is a medium-severity denial of service vulnerability in n/a, published on 14 May 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple memory leaks in Ipsec-tools before 0.7.2 allow remote attackers to cause a denial of service (memory consumption) via vectors involving (1) signature verification during user authentication with X.509 certificates, related to the eay_check_x509sign function in src/racoon/crypto_openssl.c; and (2) the NAT-Traversal (aka NAT-T) keepalive implementation, related to src/racoon/nattraversal.c.

Weakness: CWE-399

Which versions are affected by CVE-2009-1632?

It affects 1 product.

Products include Ipsec-Tools Ipsec-Tools.

How do I fix CVE-2009-1632?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2009-1632 being exploited?

There is no known exploitation of CVE-2009-1632 in the wild and no public exploit code.

Sources

Also known as GHSA-r3x2-g3qw-mvq3.

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