CVE-2023-47856
Published: 08 July 2024
Summary
CVE-2023-47856 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Realtek Rtl819X Jungle Software Development Kit. Its CVSS base score is 7.2 (High).
Operationally, ranked in the top 8.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
A stack-based buffer overflow vulnerability exists in the boa set_RadvdPrefixParam functionality of Realtek rtl819x Jungle SDK v3.4.11. The flaw, tracked as CVE-2023-47856 and assigned CWE-121 and CWE-787, can be triggered by a specially crafted series of network requests and results in remote code execution. It carries a CVSS 3.1 score of 7.2 with network attack vector, low complexity, and high impact on confidentiality, integrity, and availability.
An authenticated attacker with high privileges can send a sequence of requests to the affected device and achieve arbitrary code execution on the target. The vulnerability is exploitable remotely without user interaction once administrative credentials are obtained.
Advisory information is available from Talos Intelligence at the referenced URLs, though no specific patch or mitigation details are provided in the supplied data. The EPSS score remains flat at 0.0731 with no material rise observed after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-51951
Vulnerability details
A stack-based buffer overflow vulnerability exists in the boa set_RadvdPrefixParam functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger…
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this vulnerability.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.