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CVE-2020-27507

Status Candidate

Overview

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.

Related Files

Ubuntu Security Notice USN-6022-1
Posted Apr 17, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6022-1 - It was discovered that Kamailio did not properly sanitize SIP messages under certain circumstances. An attacker could use this vulnerability to cause a denial of service or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 ESM and 18.04 ESM. It was discovered that Kamailio did not properly validate INVITE requests under certain circumstances. An attacker could use this vulnerability to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-16657, CVE-2020-27507
SHA-256 | 7c6a30d8d416b241425f80caaed18c7b07803cd526df949946f1ceda2d2ab775
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