{"id":"CVE-2013-2052","aliases":["EUVD-2013-2034","GHSA-ghm6-8w78-2p3j"],"status":"published","title":"Buffer overflow in the atodn function in libreswan 3.0 and 3.1, when Opportunistic Encryption is...","description":"Buffer overflow in the atodn function in libreswan 3.0 and 3.1, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service (pluto IKE daemon crash) and possibly execute arbitrary code via crafted DNS TXT records.  NOTE: this might be the same vulnerability as CVE-2013-2053 and CVE-2013-2054.","severity":{"version":"2.0","score":5.1,"vector":"AV:N/AC:H/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01765,"percentile":0.78204,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2013-07-09T17:00:00Z","modified":"2026-06-16T23:52:39Z","products":[{"vendor":"libreswan","product":"libreswan"}],"references":[{"url":"https://lists.libreswan.org/pipermail/swan-announce/2013/000003.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Vendor Advisory"]},{"url":"https://libreswan.org/security/CVE-2013-2052/CVE-2013-2052.txt","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-2052"},{"url":"https://github.com/advisories/GHSA-ghm6-8w78-2p3j"}],"sources":{"cve":[{"id":"CVE-2013-2052","description":"Buffer overflow in the atodn function in libreswan 3.0 and 3.1, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service (pluto IKE daemon crash) and possibly execute arbitrary code via crafted DNS TXT records.  NOTE: this might be the same vulnerability as CVE-2013-2053 and CVE-2013-2054.","status":"published","published":"2013-07-09T17:00:00Z","modified":"2024-09-16T19:00:23.933Z","updated_at":"2026-11-02T14:34:55.825574Z"}],"euvd":[{"id":"EUVD-2013-2034","description":"Buffer overflow in the atodn function in libreswan 3.0 and 3.1, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service (pluto IKE daemon crash) and possibly execute arbitrary code via crafted DNS TXT records.  NOTE: this might be the same vulnerability as CVE-2013-2053 and CVE-2013-2054.","status":"published","published":"2013-07-09T17:00:00Z","modified":"2024-09-16T19:00:23Z","updated_at":"2026-11-03T00:55:27.162689Z"}],"ghsa":[{"id":"GHSA-ghm6-8w78-2p3j","title":"Buffer overflow in the atodn function in libreswan 3.0 and 3.1, when Opportunistic Encryption is...","description":"Buffer overflow in the atodn function in libreswan 3.0 and 3.1, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service (pluto IKE daemon crash) and possibly execute arbitrary code via crafted DNS TXT records.  NOTE: this might be the same vulnerability as CVE-2013-2053 and CVE-2013-2054.","status":"published","published":"2022-05-17T05:01:01Z","modified":"2023-01-28T05:02:59Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:43:53.106327Z"}],"nvd":[{"id":"CVE-2013-2052","description":"Buffer overflow in the atodn function in libreswan 3.0 and 3.1, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service (pluto IKE daemon crash) and possibly execute arbitrary code via crafted DNS TXT records.  NOTE: this might be the same vulnerability as CVE-2013-2053 and CVE-2013-2054.","status":"published","published":"2013-07-09T17:55:00.997Z","modified":"2026-06-16T23:52:39.44Z","cvss":[{"version":"2.0","score":5.1,"vector":"AV:N/AC:H/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:02:29.210317Z"}]}}