Security readout for executives and security teams
Plain-English summary
CVE-2014-9424 is a LibreSSL memory-handling flaw in DTLS handshake processing. A remote party could trigger a double free during SRTP extension parsing, causing denial of service and possibly other unspecified impact. The source bundle does not provide CVSS scoring or complete product metadata.
Executive priority
Treat this as a targeted remediation item for older DTLS-capable systems, not a broad emergency. Prioritize externally reachable services and vendor products that embed LibreSSL. Evidence for active exploitation is absent in the provided sources.
Technical view
The issue is a double free in ssl_parse_clienthello_use_srtp_ext in d1_srtp.c before LibreSSL 2.1.2. It is triggered by a length-verification error while processing a DTLS ClientHello use_srtp extension. Documented impact is remote denial of service, with unspecified other impact not further evidenced.
Likely exposure
Exposure is most likely where applications or appliances use LibreSSL before 2.1.2 and accept DTLS handshakes with SRTP extension handling. The provided CVE data lists affected vendor and product as n/a, so asset teams must confirm embedded or bundled LibreSSL use.
Exploitation context
The bundle does not cite active exploitation, and KEV status is false. The described trigger is remote during DTLS handshake processing, so internet-facing DTLS services would be the primary concern if they use affected LibreSSL versions.
Researcher notes
The core evidence is the CVE description and linked fix/reference material. Affected product metadata is incomplete, and the phrase “unspecified other impact” is not elaborated. Avoid assuming exploitability beyond remote denial of service without deeper vendor or code review.
Mitigation direction
- Upgrade LibreSSL to 2.1.2 or later where affected deployments are confirmed.
- Check vendor advisories for products that bundle LibreSSL or expose DTLS.
- Reduce unnecessary external exposure of DTLS services pending vendor-confirmed remediation.
- Prioritize systems where DTLS is internet-facing or supports SRTP-related functionality.
Validation and detection
- Inventory systems and products using LibreSSL, including bundled dependencies.
- Confirm whether each instance runs LibreSSL before 2.1.2.
- Identify services accepting DTLS handshakes, especially externally reachable endpoints.
- Review vendor documentation for backported fixes in packaged LibreSSL builds.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2014-9424 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/robertbachmann/openbsd-libssl/commit/62a110d447bb8c16a4c69629e28a42e8c39fd7e0CVE reference · x_refsource_CONFIRM
- https://code.google.com/p/google-security-research/issues/detail?id=202CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.