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Description

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A security vulnerability has been detected in Kamailio 5.5. Impacted is the function rve_destroy of the file src/core/rvalue.c of the component Configuration File Handler. The manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

In Kamailio 5.5 wurde eine Schwachstelle gefunden. Hiervon betroffen ist die Funktion rve_destroy der Datei src/core/rvalue.c der Komponente Configuration File Handler. Mittels Manipulieren mit unbekannten Daten kann eine heap-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff muss lokal angegangen werden. Die Ausnutzung wurde veröffentlicht und kann verwendet werden.

PUBLISHED Reserved 2025-10-25 | Published 2025-10-27 | Updated 2025-10-28 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 5.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
4.3AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Heap-based Buffer Overflow

Memory Corruption

Timeline

2025-10-25:Advisory disclosed
2025-10-25:VulDB entry created
2025-10-25:VulDB entry last update

Credits

zh_vul (VulDB User) reporter

References

vuldb.com/?id.329874 (VDB-329874 | Kamailio Configuration File rvalue.c rve_destroy heap-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.329874 (VDB-329874 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.673224 (Submit #673224 | Kamailio Project Kamailio SIP Server 5.5 Heap-based Buffer Overflow) third-party-advisory

shimo.im/docs/loqeMWMyZGtpEYqn/ exploit

cve.org (CVE-2025-12204)

nvd.nist.gov (CVE-2025-12204)

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