FreeSWITCH allows remote users to trigger out of bounds write by offering an ICE candidate with unknown component ID
CVE-2023-40018

7.5HIGH

Key Information:

Vendor

signalwire

Status
freeswitch
Vendor
CVE Published:
15 September 2023

What is CVE-2023-40018?

FreeSWITCH, a Software Defined Telecom Stack, is prone to an out-of-bounds write vulnerability prior to version 1.10.10. This issue arises when remote users submit an Interactive Connectivity Establishment (ICE) candidate with an unknown component ID, resulting in FreeSWITCH making unauthorized writes to its arrays. Exploiting this flaw enables an attacker to corrupt the memory of FreeSWITCH, potentially causing undefined system behavior or a complete crash. The vulnerability has been addressed in version 1.10.10, which includes a patch to safeguard against this exploit.

Affected Version(s)

freeswitch < 1.10.10

References

https://github.com/signalwire/freeswitch/security/advisor...
x_refsource_CONFIRM
https://github.com/signalwire/freeswitch/releases/tag/v1....
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.