TI-2024-23438 Aliases CVE-2024-35434

Irontec Sngrep v1.8.1 was discovered to contain a heap buffer overflow via the function…

HIGH 72CWE-122Published 2024-05-29 · Updated 2025-02-13

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00609 49th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:irontec:sngrep:1.8.1:::::::*	1.8.1	Vulnerable	irontec

cpe:2.3:a:irontec:sngrep:1.8.1:*:*:*:*:*:*:* Versions 1.8.1 Vulnerable ·irontec

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-35434

References

Exploit 1

https://github.com/inputzero/Security-Advisories/blob/main/CVE-XXXX-XXXX.md

TI-2023-18152 Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function… CVSS 3.1HIGH 7.8
TI-2023-15298 Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function… CVSS 3.1HIGH 7.8
TI-2023-15297 Sngrep v1.6.0 was discovered to contain a stack buffer overflow via the function packet_set_payload at /src/packet.c. CVSS 3.1HIGH 7.8
TI-2024-02922 Stack-Buffer Overflow in 'Content-Length' and 'Warning' Header Processing in sngrep CVSS 3.1CRITICAL 9.8
TI-2024-02921 Stack-Buffer Overflow in 'Call-ID' and 'X-Call-ID' SIP Header Processing in sngrep CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences