CVE-2011-3207 Security feature bypass in n/a

Medium 5.0 Published 22 Sep 2011 Updated 6 Aug 2024

Remote attackers can bypass Certificate Revocation List validation in OpenSSL by exploiting uninitialized structure members, allowing revoked certificates to be accepted.

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

What is CVE-2011-3207?

CVE-2011-3207 is a medium-severity vulnerability in Openssl Openssl, published on 22 Sep 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

crypto/x509/x509_vfy.c in OpenSSL 1.0.x before 1.0.0e does not initialize certain structure members, which makes it easier for remote attackers to bypass CRL validation by using a nextUpdate value corresponding to a time in the past.

Weakness: CWE-264

Which versions are affected by CVE-2011-3207?

It affects 1 product.

Linux distribution packages (5)

`openssl` Red Hat:enterprise_linux:6::server	All versions	`0:1.0.0-10.el6_1.5`
`openssl-debuginfo` Red Hat:enterprise_linux:6::server	All versions	`0:1.0.0-10.el6_1.5`
`openssl-devel` Red Hat:enterprise_linux:6::server	All versions	`0:1.0.0-10.el6_1.5`
`openssl-perl` Red Hat:enterprise_linux:6::server	All versions	`0:1.0.0-10.el6_1.5`
`openssl-static` Red Hat:enterprise_linux:6::server	All versions	`0:1.0.0-10.el6_1.5`

Products include Openssl Openssl.

How do I fix CVE-2011-3207?

Upgrade to a fixed version.

Is CVE-2011-3207 being exploited?

There is no known exploitation of CVE-2011-3207 in the wild and no public exploit code.

All Openssl Openssl vulnerabilities

Sources

Also known as DEBIAN-CVE-2011-3207, GHSA-crcf-r7r4-xr8j, RHSA-2011:1409.