CVE-2009-1386 Null dereference in n/a

What is CVE-2009-1386?

CVE-2009-1386 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 4 Jun 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

ssl/s3_pkt.c in OpenSSL before 0.9.8i allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a DTLS ChangeCipherSpec packet that occurs before ClientHello.

Weakness: CWE-476

Which versions are affected by CVE-2009-1386?

It affects 3 products.

Products include Canonical Ubuntu Linux, Openssl Openssl, Redhat Openssl.

How do I fix CVE-2009-1386?

Upgrade to a fixed version.

Is CVE-2009-1386 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-1386 exists.

Public exploit code: 1 Metasploit module and 1 Exploit-DB entry.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2009-1386, GHSA-rqjx-gxhp-5x5r.