CVE-2008-5077 Security feature bypass in n/a

Medium 5.8 Published Updated

Remote attackers can bypass SSL/TLS certificate validation for DSA and ECDSA keys by exploiting improper return value checks 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-2008-5077?

CVE-2008-5077 is a medium-severity vulnerability in Openssl Openssl, published on 7 Jan 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OpenSSL 0.9.8i and earlier does not properly check the return value from the EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys.

Weakness: CWE-20

Which versions are affected by CVE-2008-5077?

It affects 1 product.

Linux distribution packages (40)
openssl Red Hat:enterprise_linux:2.1::asAll versions0:0.9.6b-49
openssl-devel Red Hat:enterprise_linux:2.1::asAll versions0:0.9.6b-49
openssl-perl Red Hat:enterprise_linux:2.1::asAll versions0:0.9.6b-49
openssl095a Red Hat:enterprise_linux:2.1::asAll versions0:0.9.5a-34
openssl096 Red Hat:enterprise_linux:2.1::asAll versions0:0.9.6-34
openssl Red Hat:enterprise_linux:2.1::awAll versions0:0.9.6b-49
openssl-devel Red Hat:enterprise_linux:2.1::awAll versions0:0.9.6b-49
openssl-perl Red Hat:enterprise_linux:2.1::awAll versions0:0.9.6b-49
openssl095a Red Hat:enterprise_linux:2.1::awAll versions0:0.9.5a-34
openssl096 Red Hat:enterprise_linux:2.1::awAll versions0:0.9.6-34
openssl Red Hat:enterprise_linux:2.1::esAll versions0:0.9.6b-49
openssl-devel Red Hat:enterprise_linux:2.1::esAll versions0:0.9.6b-49
openssl-perl Red Hat:enterprise_linux:2.1::esAll versions0:0.9.6b-49
openssl Red Hat:enterprise_linux:2.1::wsAll versions0:0.9.6b-49
openssl-devel Red Hat:enterprise_linux:2.1::wsAll versions0:0.9.6b-49
openssl-perl Red Hat:enterprise_linux:2.1::wsAll versions0:0.9.6b-49
openssl Red Hat:enterprise_linux:3::asAll versions0:0.9.7a-33.25
openssl-debuginfo Red Hat:enterprise_linux:3::asAll versions0:0.9.7a-33.25
openssl-devel Red Hat:enterprise_linux:3::asAll versions0:0.9.7a-33.25
openssl-perl Red Hat:enterprise_linux:3::asAll versions0:0.9.7a-33.25
openssl096b Red Hat:enterprise_linux:3::asAll versions0:0.9.6b-16.49
openssl096b-debuginfo Red Hat:enterprise_linux:3::asAll versions0:0.9.6b-16.49
openssl Red Hat:enterprise_linux:3::desktopAll versions0:0.9.7a-33.25
openssl-debuginfo Red Hat:enterprise_linux:3::desktopAll versions0:0.9.7a-33.25
openssl-devel Red Hat:enterprise_linux:3::desktopAll versions0:0.9.7a-33.25
openssl-perl Red Hat:enterprise_linux:3::desktopAll versions0:0.9.7a-33.25
openssl096b Red Hat:enterprise_linux:3::desktopAll versions0:0.9.6b-16.49
openssl096b-debuginfo Red Hat:enterprise_linux:3::desktopAll versions0:0.9.6b-16.49
openssl Red Hat:enterprise_linux:3::esAll versions0:0.9.7a-33.25
openssl-debuginfo Red Hat:enterprise_linux:3::esAll versions0:0.9.7a-33.25
openssl-devel Red Hat:enterprise_linux:3::esAll versions0:0.9.7a-33.25
openssl-perl Red Hat:enterprise_linux:3::esAll versions0:0.9.7a-33.25
openssl096b Red Hat:enterprise_linux:3::esAll versions0:0.9.6b-16.49
openssl096b-debuginfo Red Hat:enterprise_linux:3::esAll versions0:0.9.6b-16.49
openssl Red Hat:enterprise_linux:3::wsAll versions0:0.9.7a-33.25
openssl-debuginfo Red Hat:enterprise_linux:3::wsAll versions0:0.9.7a-33.25
openssl-devel Red Hat:enterprise_linux:3::wsAll versions0:0.9.7a-33.25
openssl-perl Red Hat:enterprise_linux:3::wsAll versions0:0.9.7a-33.25
openssl096b Red Hat:enterprise_linux:3::wsAll versions0:0.9.6b-16.49
openssl096b-debuginfo Red Hat:enterprise_linux:3::wsAll versions0:0.9.6b-16.49

Products include Openssl Openssl.

How do I fix CVE-2008-5077?

Upgrade to a fixed version.

Is CVE-2008-5077 being exploited?

There is no known exploitation of CVE-2008-5077 in the wild and no public exploit code.

All Openssl Openssl vulnerabilities

Sources

Also known as DEBIAN-CVE-2008-5077, DSA-1701-1, GHSA-5fwv-px3v-6qxv, RHSA-2009:0004.

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