Cyber Resilience

CVE-2024-35434

HighPublic PoC

Published: 29 May 2024

Published
29 May 2024
Modified
27 September 2025
KEV Added
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Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0021 43.5th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-35434 is a high-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Irontec Sngrep. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked at the 43.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Irontec Sngrep v1.8.1 was discovered to contain a heap buffer overflow via the function rtp_check_packet at /sngrep/src/rtp.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted SIP packet.

CWE(s)
CWE-122

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
attack.mitre.org →
Why these techniques?

Heap buffer overflow in sngrep allows remote DoS via crafted SIP packet, enabling exploitation of an application vulnerability to deny service on the endpoint.

Affected Assets

irontec
sngrep
1.8.1

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References