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Mageia 8 Moderate Advisory: PJProject Man-In-The-Middle & DoS Threats

Currently, PJSIP transport can be reused if they have the same IP address + port + protocol. However, this is insufficient for secure transport since it lacks remote hostname authentication. The vulnerability allows for an insecure interaction without user awareness. It affects users who need access to connections to different destinations that translate to the same address, . MGASA-2021-0337 - Updated pjproject packages fix security vulnerabilities Publication date: 10 Jul 2021 URL: https://advisories.mageia.org/MGASA-2021-0337.html Type: security Affected Mageia releases: 8 CVE: CVE-2020-15260, CVE-2021-21375 Currently, PJSIP transport can be reused if they have the same IP address + port + protocol. However, this is insufficient for secure transport since it lacks remote hostname authentication. The vulnerability allows for an insecure interaction without user awareness. It affects users who need access to connections to different destinations that translate to the same address, and allows man-in-the-middle attack if attacker can route a connection to another destination such as in the case of DNS spoofing (CVE-2020-15260). An issue has been found in pjproject. Due to bad handling of two consecutive crafted answers to an INVITE, the attacker is able to crash the server resulting in a denial of service (CVE-2021-21375). References: - https://bugs.mageia.org/show_bug.cgi?id=28998 - https://github.com/pjsip/pjproject/security/advisories/GHSA-8hcp-hm38-mfph - https://github.com/pjsip/pjproject/security/advisories/GHSA-hvq6-f89p-frvp - https://lists.debian.org/debian-lts-announce/2021/04/msg00023.html - https://www.cve.org/CVERecord?id=CVE-2020-15260 - https://www.cve.org/CVERecord?id=CVE-2021-21375 SRPMS: - 8/core/pjproject-2.10-5.2.mga8 . Recent enhancements to pjproject resolve critical vulnerabilities in Mageia 8, targeting man-in-the-middle exploits and denial-of-service risks.. pjproject Update, Mageia Security, Transport Vulnerability, PJSIP Security. . Severity: Important. LinuxSecurity.comTeam

Jul 10, 2021 •Important Mageia