CVE-2024-3119: sngrep Buffer Overflow — Fix

Description

A buffer overflow vulnerability exists in all versions of sngrep since v0.4.2, due to improper handling of 'Call-ID' and 'X-Call-ID' SIP headers. The functions sip_get_callid and sip_get_xcallid in sip.c use the strncpy function to copy header contents into fixed-size buffers without checking the data length. This flaw allows remote attackers to execute arbitrary code or cause a denial of service (DoS) through specially crafted SIP messages.

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CVSS v3.1 Score

9.0

CRITICAL

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness Type (CWE)

CWE-120 CWE-120

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
irontec	sngrep	0.4.2 — 1.8.1

References

Advisories & Patches

https://github.com/irontec/sngrep/pull/480/commits/73c15c82d14c69df311e05fa75da734faafd365f https://github.com/irontec/sngrep/pull/480/commits/73c15c82d14c69df311e05fa75da734faafd365f

Other References

https://github.com/irontec/sngrep/releases/tag/v1.8.1 https://pentraze.com/vulnerability-reports/ https://github.com/irontec/sngrep/releases/tag/v1.8.1 https://pentraze.com/vulnerability-reports/

Frequently Asked Questions

What is CVE-2024-3119? +

A buffer overflow vulnerability exists in all versions of sngrep since v0.4.2, due to improper handling of 'Call-ID' and 'X-Call-ID' SIP headers. The functions sip_get_callid and sip_get_xcallid in sip.c use the strncpy function to copy header contents into fixed-size buffers without checking the data length. This flaw allows remote attackers to execute arbitrary code or cause a denial of service (DoS) through specially crafted SIP messages. It has a CVSS v3.1 base score of 9.0 (CRITICAL).

How severe is CVE-2024-3119? +

CVE-2024-3119 has a CVSS v3.1 score of 9.0 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-3119? +

CVE-2024-3119 affects products from irontec, specifically: sngrep. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-3119? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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