CVE-2023-40019 (freeswitch) | allinfosecnews.com

Sept. 15, 2023, 8:15 p.m. |

National Vulnerability Database web.nvd.nist.gov

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.10.10, FreeSWITCH allows authorized users to cause a denial of service attack by sending re-INVITE with SDP containing duplicate codec names. When a call in FreeSWITCH completes codec negotiation, the `codec_string` channel variable is set with the result of the negotiation. On a subsequent re-negotiation, if an SDP is offered that contains …

attack call cve defined denial of service denial of service attack digital digital transformation hardware implementation names negotiation sdp service software stack switches telecom transformation version version 1

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