CVE-2009-2474: Weak Encryption
neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2009-2474?
CVE-2009-2474 is classified as a high severity vulnerability due to its potential for man-in-the-middle attacks.
How do I fix CVE-2009-2474?
To fix CVE-2009-2474, upgrade to neon version 0.28.6 or later, or apply any vendor-specific patches.
What systems are affected by CVE-2009-2474?
CVE-2009-2474 affects neon versions before 0.28.6 and impacted operating systems include various versions of macOS and Ubuntu, as well as Fedora.
What type of attack does CVE-2009-2474 enable?
CVE-2009-2474 allows man-in-the-middle attackers to spoof SSL servers using crafted certificates.
Is CVE-2009-2474 related to any specific libraries or protocols?
CVE-2009-2474 is related to improper handling of domain names in X.509 certificates when using OpenSSL or GnuTLS.