CVE-2014-3504
MEDIUM severity · CVSS 4
4CVSS MEDIUM
Summary
The (1) serf_ssl_cert_issuer, (2) serf_ssl_cert_subject, and (3) serf_ssl_cert_certificate functions in Serf 0.2.0 through 1.3.x before 1.3.7 does not properly handle a NUL byte 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.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impactNone
Exploit probability (EPSS)3%
AV:N/AC:H/Au:N/C:P/I:P/A:N
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://ubuntu.com/usn/usn-2315-1Advisory
- http://lists.opensuse.org/opensuse-updates/2014-08/msg00038.html
- http://secunia.com/advisories/59584
- http://secunia.com/advisories/60721
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
- http://www.securityfocus.com/bid/69238
- https://groups.google.com/forum/#%21topic/serf-dev/NvgPoK6sFsc
- https://security.gentoo.org/glsa/201610-05