CVE-2020-27507

CVSS 9.8 CRITICALEPSS 1.2%CWE-120

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.8EPSS 1.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

15 Mar 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

The Kamailio SIP before 5.5.0 server mishandles INVITE requests with duplicated fields and overlength tag, leading to a buffer overflow that crashes the server or possibly have unspecified other impact.

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

Affected products

n/a · n/a

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References

https://github.com/kamailio/kamailio/commit/ada3701d22b1fd579f06b4f54fa695fa988e685f https://github.com/kamailio/kamailio/issues/2503 https://lists.debian.org/debian-lts-announce/2023/05/msg00030.html