irontec sngrep up to 1.8.0 SIP Header sip.c strncpy Call-ID/X-Call-ID buffer overflow

Summaryinfo

A vulnerability classified as critical was found in irontec sngrep up to 1.8.0. This vulnerability affects the function strncpy of the file sip.c of the component SIP Header Handler. Such manipulation of the argument Call-ID/X-Call-ID leads to buffer overflow. This vulnerability is referenced as CVE-2024-3119. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in irontec sngrep up to 1.8.0. Affected by this issue is the function strncpy of the file sip.c of the component SIP Header Handler. The manipulation of the argument Call-ID/X-Call-ID with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2024-3119 since 03/31/2024. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

Upgrading to version 1.8.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

• irontec

Name

• sngrep

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8.0

Website

• Product: https://github.com/irontec/sngrep/

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CPE 2.2info

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