CVE-2024-2357
Vulnerability from cvelistv5
Published
2024-03-11 19:39
Modified
2024-11-20 17:25
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
IKEv2 misconfiguration can cause libreswan to abort and restart
References
d42dc95b-23f1-4e06-9076-20753a0fb0dfhttps://libreswan.org/security/CVE-2024-2357
d42dc95b-23f1-4e06-9076-20753a0fb0dfhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EJZJYFHKBIJ4ZK5GAWWFFR3AKJS6O5JX/
d42dc95b-23f1-4e06-9076-20753a0fb0dfhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HEM46ALKF7NG6CAUKZ7KQERVOHWQIQKY/
d42dc95b-23f1-4e06-9076-20753a0fb0dfhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TVQ7MZY6LFFGRWAJNTKKN2VSEFS2VPAR/
Impacted products
The Libreswan Project (www.libreswan.org)libreswan
Show details on NVD website

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              "attackVector": "NETWORK",
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              "baseScore": 6.5,
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              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
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              "userInteraction": "NONE",
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              "content": {
                "id": "CVE-2024-2357",
                "options": [
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                    "Exploitation": "none"
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                "timestamp": "2024-03-12T16:21:48.798359Z",
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    "cna": {
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          "defaultStatus": "unaffected",
          "product": "libreswan",
          "vendor": "The Libreswan Project (www.libreswan.org)",
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      "configurations": [
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          "value": "The Libreswan Project was notified of an issue causing libreswan to restart under some IKEv2 retransmit scenarios when a connection is configured to use PreSharedKeys (authby=secret) and the connection cannot find a matching configured secret. When such a connection is automatically added on startup using the auto= keyword, it can cause repeated crashes leading to a Denial of Service."
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          "value": "Issue reported publicly via https://github.com/libreswan/libreswan/issues/1609"
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      "workarounds": [
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          "value": "As a workaround, one can place an unguessable long random default secret in /etc/ipsec.secrets, for example using the following command:\n\n echo -e \"# CVE-2024-2357 workaround\n: PSK \"$(openssl rand -hex 32)\"\" \u003e\u003e /etc/ipsec.secrets\n\nThis will ensure a PSK secret is always found, but it will always be wrong, and thus authentication will still properly fail."
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