Description

Null Pointer Dereference in AddTime API Causes Authenticated Denial of Service

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "2.7",
  "pubDate": "2026-08-13T17:17:24.857Z",
  "pubdate": "2026-08-13T17:17:24.857Z",
  "executiveSummary": "This vulnerability involves a Null Pointer Dereference flaw residing within the AddTime API, leading directly to an authenticated Denial of Service (DoS) condition.\nThe core impact of this security defect is the abrupt termination or crash of the affected application service, rendering it unavailable to legitimate users and disrupting dependent operations.\nThe vulnerability affects systems implementing the vulnerable AddTime API endpoint where input validation or internal state handling fails to verify pointer integrity before dereferencing operations occur.\nThe risk implications are moderate to high concerning availability, as repeated exploitation can sustain an extended outage of the targeted service without requiring complex infrastructure or advanced exploitation techniques.\nAttacker capabilities are constrained by prerequisites, specifically requiring authenticated access to interact with the AddTime API.\nExploitation requirements dictate that the malicious actor must possess valid credentials to authenticate against the target system and successfully invoke the vulnerable function with a crafted payload or state designed to trigger the null pointer condition.",
  "technicalDetails": "The vulnerability is rooted in a Null Pointer Dereference flaw within the AddTime API function, where the software dereferences a pointer that expects a valid memory address but instead evaluates to NULL.\nThe vulnerable component is the AddTime API implementation, which fails to perform adequate input validation or internal null checks prior to executing memory read or write operations on object references derived from API parameters or internal state resolution.\nAuthentication requirements dictate that the attacker must be authenticated against the target system to reach the vulnerable API endpoint.\nPrivilege requirements depend on the API's access control model, typically requiring standard user privileges unless the endpoint is restricted to higher administrative roles.\nNetwork exposure encompasses any network interface capable of routing requests to the authenticated API endpoint hosting the vulnerable AddTime function.\nThe exploitation method involves an authenticated attacker submitting a maliciously crafted request or sequence of parameters to the AddTime API that forces the application to bypass initialization logic or clear critical pointer references.\nThe attack flow proceeds as follows: First, the attacker establishes an authenticated session with the target application. Second, the attacker formulates an API call targeting the AddTime function, supplying specific inputs designed to induce a null pointer condition within the execution context. Third, the application processes the request, invoking the vulnerable code path inside the AddTime API. Fourth, the application attempts to dereference the uninitialized or null pointer during time calculation or data parsing. Fifth, the operating system or runtime environment generates an unhandled memory access violation or segmentation fault, causing the application process to crash immediately and resulting in a Denial of Service.\nThe payload behavior centers on inducing exception states through logical malformation rather than arbitrary code execution, prioritizing disruption of service continuity.\nThe post-exploitation impact is strictly confined to service disruption, manifesting as an application crash, loss of availability, and potential cascading failures in dependent microservices or companion components relying on the crashed instance."
}