CVE-2014-3577
Improper Verification of Cryptographic Signature in org.apache.httpcomponents:httpclient
EPSS 1.4%
Description
org.apache.http.conn.ssl.AbstractVerifier in Apache HttpComponents HttpClient before 4.3.5 and HttpAsyncClient before 4.0.2 does not properly verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via a "CN=" string in a field in the distinguished name (DN) of a certificate, as demonstrated by the "foo,CN=www.apache.org" string in the O field.
How to fix CVE-2014-3577
To remediate CVE-2014-3577, upgrade the affected package to a fixed version below.
- —upgrade to 3.1-11 or later
- —upgrade to 4.3.5-1 or later
- —upgrade to 4.3.5 or later
Is CVE-2014-3577 being exploited?
Low — EPSS is 1.4%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 3.1-11
- from 0, < 4.3.5-1
- from 0, < 4.3.5