var-202407-0079
Vulnerability from variot
SCALANCE M-800, MUM-800 and S615 as well as RUGGEDCOM RM1224 are industrial routers.
Multiple Siemens products have a log output neutralization error vulnerability that can be exploited by attackers to send spam to the openvpn log, causing high CPU load. ========================================================================== Ubuntu Security Notice USN-6860-1 July 02, 2024
openvpn vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 24.04 LTS
- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
Summary:
Several security issues were fixed in OpenVPN.
Software Description: - openvpn: virtual private network software
Details:
Reynir Björnsson discovered that OpenVPN incorrectly handled terminating client connections. A remote authenticated client could possibly use this issue to keep the connection active, bypassing certain security policies. This issue only affected Ubuntu 23.10, and Ubuntu 24.04 LTS. (CVE-2024-28882)
Reynir Björnsson discovered that OpenVPN incorrectly handled certain control channel messages with nonprintable characters. A remote attacker could possibly use this issue to cause OpenVPN to consume resources, or fill up log files with garbage, leading to a denial of service. (CVE-2024-5594)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 24.04 LTS openvpn 2.6.9-1ubuntu4.1
Ubuntu 23.10 openvpn 2.6.5-0ubuntu1.2
Ubuntu 22.04 LTS openvpn 2.5.9-0ubuntu0.22.04.3
Ubuntu 20.04 LTS openvpn 2.4.12-0ubuntu0.20.04.2
In general, a standard system update will make all the necessary changes.
References: https://ubuntu.com/security/notices/USN-6860-1 CVE-2024-28882, CVE-2024-5594
Package Information: https://launchpad.net/ubuntu/+source/openvpn/2.6.9-1ubuntu4.1 https://launchpad.net/ubuntu/+source/openvpn/2.6.5-0ubuntu1.2 https://launchpad.net/ubuntu/+source/openvpn/2.5.9-0ubuntu0.22.04.3 https://launchpad.net/ubuntu/+source/openvpn/2.4.12-0ubuntu0.20.04.2
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"data": "SCALANCE M-800, MUM-800 and S615 as well as RUGGEDCOM RM1224 are industrial routers. \n\nMultiple Siemens products have a log output neutralization error vulnerability that can be exploited by attackers to send spam to the openvpn log, causing high CPU load. ==========================================================================\nUbuntu Security Notice USN-6860-1\nJuly 02, 2024\n\nopenvpn vulnerabilities\n==========================================================================\n\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 24.04 LTS\n- Ubuntu 23.10\n- Ubuntu 22.04 LTS\n- Ubuntu 20.04 LTS\n\nSummary:\n\nSeveral security issues were fixed in OpenVPN. \n\nSoftware Description:\n- openvpn: virtual private network software\n\nDetails:\n\nReynir Bj\u00f6rnsson discovered that OpenVPN incorrectly handled terminating\nclient connections. A remote authenticated client could possibly use this\nissue to keep the connection active, bypassing certain security policies. \nThis issue only affected Ubuntu 23.10, and Ubuntu 24.04 LTS. \n(CVE-2024-28882)\n\nReynir Bj\u00f6rnsson discovered that OpenVPN incorrectly handled certain\ncontrol channel messages with nonprintable characters. A remote attacker\ncould possibly use this issue to cause OpenVPN to consume resources, or\nfill up log files with garbage, leading to a denial of service. \n(CVE-2024-5594)\n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 24.04 LTS\n openvpn 2.6.9-1ubuntu4.1\n\nUbuntu 23.10\n openvpn 2.6.5-0ubuntu1.2\n\nUbuntu 22.04 LTS\n openvpn 2.5.9-0ubuntu0.22.04.3\n\nUbuntu 20.04 LTS\n openvpn 2.4.12-0ubuntu0.20.04.2\n\nIn general, a standard system update will make all the necessary changes. \n\nReferences:\n https://ubuntu.com/security/notices/USN-6860-1\n CVE-2024-28882, CVE-2024-5594\n\nPackage Information:\n https://launchpad.net/ubuntu/+source/openvpn/2.6.9-1ubuntu4.1\n https://launchpad.net/ubuntu/+source/openvpn/2.6.5-0ubuntu1.2\n https://launchpad.net/ubuntu/+source/openvpn/2.5.9-0ubuntu0.22.04.3\n https://launchpad.net/ubuntu/+source/openvpn/2.4.12-0ubuntu0.20.04.2\n\n",
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Sightings
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