CVE-2009-1379 Use after free in n/a

Medium 5.0 Published Updated

Remote attackers can cause denial of service and potentially execute code via crafted DTLS packets in OpenSSL.

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

What is CVE-2009-1379?

CVE-2009-1379 is a medium-severity use after free vulnerability in Openssl Openssl, published on 19 May 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Use-after-free vulnerability in the dtls1_retrieve_buffered_fragment function in ssl/d1_both.c in OpenSSL 1.0.0 Beta 2 allows remote attackers to cause a denial of service (openssl s_client crash) and possibly have unspecified other impact via a DTLS packet, as demonstrated by a packet from a server that uses a crafted server certificate.

Weakness: CWE-399

Which versions are affected by CVE-2009-1379?

It affects 1 product.

Products include Openssl Openssl.

How do I fix CVE-2009-1379?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2009-1379 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-1379 exists.

Public exploit code: 1 Exploit-DB entry.

All Openssl Openssl vulnerabilities

Sources

Also known as DEBIAN-CVE-2009-1379, GHSA-4pw3-fcxf-f8gx.

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