Vulnerability in Openssl
CVE-2014-3509
Race condition in the ssl_parse_serverhello_tlsext function in t1_lib.c in OpenSSL 1.0.0 before 1.0.0n and 1.0.1 before 1.0.1i, when multithreading and session resumption are used, allows remote SSL servers to cause a denial of service (memory overwrite and client application crash) or possibly have unspecified other impact by sending Elliptic Curve (EC) Supported Point Formats Extension data.
Vulnerability class: Race Condition
EPSS: 0.134 (96.0th percentile) — read the EPSS interpretation.
Affected products
- Openssl — versions 1.0.0, 1.0.0a, 1.0.0b
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_SECUNIA, third-party-advisory)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_SECUNIA, third-party-advisory)
- secalert@redhat.com (x_refsource_HP, vendor-advisory)
- secalert@redhat.com (x_refsource_SECUNIA, third-party-advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Vendor Advisory)
- secalert@redhat.com (x_refsource_SECUNIA, third-party-advisory)
Frequently asked questions
- What is CVE-2014-3509?
- CVE-2014-3509 is a vulnerability in Openssl, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). Published 2014-08-13.
- Is CVE-2014-3509 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.