CVE-2012-0027 Denial of service in n/a

What is CVE-2012-0027?

CVE-2012-0027 is a medium-severity denial of service vulnerability in Openssl Openssl, published on 6 Jan 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The GOST ENGINE in OpenSSL before 1.0.0f does not properly handle invalid parameters for the GOST block cipher, which allows remote attackers to cause a denial of service (daemon crash) via crafted data from a TLS client.

Weakness: CWE-399

Which versions are affected by CVE-2012-0027?

It affects 1 product.

Products include Openssl Openssl.

How do I fix CVE-2012-0027?

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-2012-0027 being exploited?

There is no known exploitation of CVE-2012-0027 in the wild and no public exploit code.

Other vulnerabilities in Openssl Openssl

• CVE-2009-3245 Null dereference in n/a Critical 10.0
• CVE-2006-3738 Memory corruption in n/a Critical 10.0
• CVE-2026-63073 Untrusted Sender DN Used as Format String in CMP Response Validation Critical 9.8
• CVE-2016-6309 Use after free in n/a Critical 9.8
• CVE-2016-0799 Integer overflow in n/a Critical 9.8

All Openssl Openssl vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2012-0027, GHSA-6vgp-r5v2-7gfw.