{"id": "USN-1642-1", "bulletinFamily": "unix", "title": "Lynx vulnerabilities", "description": "Dan Rosenberg discovered a heap-based buffer overflow in Lynx. If a user were tricked into opening a specially crafted page, a remote attacker could cause a denial of service via application crash, or possibly execute arbitrary code as the user invoking the program. This issue only affected Ubuntu 10.04 LTS. (CVE-2010-2810)\n\nIt was discovered that Lynx did not properly verify that an HTTPS certificate was signed by a trusted certificate authority. This could allow an attacker to perform a \u201cman in the middle\u201d (MITM) attack which would make the user believe their connection is secure, but is actually being monitored. This update changes the behavior of Lynx such that self-signed certificates no longer validate. Users requiring the previous behavior can use the \u2018FORCE_SSL_PROMPT\u2019 option in lynx.cfg. (CVE-2012-5821)", "published": "2012-11-29T00:00:00", "modified": "2012-11-29T00:00:00", "cvss": {"score": 6.8, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:PARTIAL/I:PARTIAL/A:PARTIAL/"}, "href": "https://usn.ubuntu.com/1642-1/", "reporter": "Ubuntu", "references": ["https://people.canonical.com/~ubuntu-security/cve/CVE-2012-5821", "https://people.canonical.com/~ubuntu-security/cve/CVE-2010-2810"], "cvelist": ["CVE-2012-5821", "CVE-2010-2810"], "type": "ubuntu", "lastseen": "2018-03-29T18:17:07", "history": [], "edition": 1, "hashmap": [{"key": "affectedPackage", "hash": "9f8d81a08921fb734a1198c3d29c532c"}, {"key": "bulletinFamily", "hash": "4913a9178621eadcdf191db17915fbcb"}, {"key": "cvelist", "hash": "7146cedaca9d8db2314ecfae8d996509"}, {"key": "cvss", "hash": "737e2591b537c46d1ca7ce6f0cea5cb9"}, {"key": "description", "hash": "74e15303ad2744caf018ff97fe21e4a9"}, {"key": "href", "hash": "fd2da02a3de2c1e94bc16d62c7c9f7da"}, {"key": "modified", "hash": "664a81a0fddba8f828f8fa682c02f90f"}, {"key": "published", "hash": "664a81a0fddba8f828f8fa682c02f90f"}, {"key": "references", "hash": "84205637d4fa49a1c744a057a7456624"}, {"key": "reporter", "hash": "3d945423f8e9496c429a5d8c65b4604f"}, {"key": "title", "hash": "a88d5f122042df2b080af5f38b3ed623"}, {"key": "type", "hash": "1d41c853af58d3a7ae54990ce29417d8"}], "hash": "6fd4bbd0a7dbe739e2bd48460b29a0e15bf569a1447536ee334b7e38d9013156", "viewCount": 0, "enchantments": {"vulnersScore": 6.8}, "objectVersion": "1.3", "affectedPackage": [{"OS": "Ubuntu", "OSVersion": "11.10", "arch": "noarch", "operator": "lt", "packageFilename": "UNKNOWN", "packageName": "lynx-cur", "packageVersion": "2.8.8dev.9-2ubuntu0.11.10.1"}, {"OS": "Ubuntu", "OSVersion": "12.10", "arch": "noarch", "operator": "lt", "packageFilename": "UNKNOWN", "packageName": "lynx-cur", "packageVersion": "2.8.8dev.12-2ubuntu0.1"}, {"OS": "Ubuntu", "OSVersion": "12.04", "arch": "noarch", "operator": "lt", "packageFilename": "UNKNOWN", "packageName": "lynx-cur", "packageVersion": "2.8.8dev.9-2ubuntu0.12.04.1"}, {"OS": "Ubuntu", "OSVersion": "10.04", "arch": "noarch", "operator": "lt", "packageFilename": "UNKNOWN", "packageName": "lynx-cur", "packageVersion": "2.8.8dev.2-1ubuntu0.1"}]}

{"result": {"cve": [{"id": "CVE-2012-5821", "type": "cve", "title": "CVE-2012-5821", "description": "Lynx does not verify that the server's certificate is signed by a trusted certification authority, which allows man-in-the-middle attackers to spoof SSL servers via a crafted certificate, related to improper use of a certain GnuTLS function.", "published": "2012-11-04T17:55:04", "cvss": {"score": 5.8, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:PARTIAL/I:PARTIAL/A:NONE/"}, "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-5821", "cvelist": ["CVE-2012-5821"], "lastseen": "2017-08-29T12:17:52"}, {"id": "CVE-2010-2810", "type": "cve", "title": "CVE-2010-2810", "description": "Heap-based buffer overflow in the convert_to_idna function in WWW/Library/Implementation/HTParse.c in Lynx 2.8.8dev.1 through 2.8.8dev.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a malformed URL containing a % (percent) character in the domain name.", "published": "2010-08-20T14:00:02", "cvss": {"score": 6.8, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:PARTIAL/I:PARTIAL/A:PARTIAL/"}, "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-2810", "cvelist": ["CVE-2010-2810"], "lastseen": "2017-08-17T11:14:53"}], "nessus": [{"id": "MANDRIVA_MDVSA-2013-101.NASL", "type": "nessus", "title": "Mandriva Linux Security Advisory : lynx (MDVSA-2013:101)", "description": "Updated lynx package fixes security vulnerability :\n\nLynx does not verify that the server's certificate is signed by a trusted certification authority, which allows man-in-the-middle attackers to spoof SSL servers via a crafted certificate, related to improper use of a certain GnuTLS function (CVE-2012-5821).", "published": "2013-04-20T00:00:00", "cvss": {"score": 5.8, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:PARTIAL/I:PARTIAL/A:NONE/"}, "href": "https://www.tenable.com/plugins/index.php?view=single&id=66113", "cvelist": ["CVE-2012-5821"], "lastseen": "2017-10-29T13:42:30"}, {"id": "UBUNTU_USN-1642-1.NASL", "type": "nessus", "title": "Ubuntu 10.04 LTS / 11.10 / 12.04 LTS / 12.10 : lynx-cur vulnerabilities (USN-1642-1)", "description": "Dan Rosenberg discovered a heap-based buffer overflow in Lynx. If a user were tricked into opening a specially crafted page, a remote attacker could cause a denial of service via application crash, or possibly execute arbitrary code as the user invoking the program. This issue only affected Ubuntu 10.04 LTS. (CVE-2010-2810)\n\nIt was discovered that Lynx did not properly verify that an HTTPS certificate was signed by a trusted certificate authority. This could allow an attacker to perform a 'man in the middle' (MITM) attack which would make the user believe their connection is secure, but is actually being monitored. This update changes the behavior of Lynx such that self-signed certificates no longer validate. Users requiring the previous behavior can use the 'FORCE_SSL_PROMPT' option in lynx.cfg. (CVE-2012-5821).\n\nNote that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.", "published": "2012-11-30T00:00:00", "cvss": {"score": 6.8, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:PARTIAL/I:PARTIAL/A:PARTIAL/"}, "href": "https://www.tenable.com/plugins/index.php?view=single&id=63108", "cvelist": ["CVE-2012-5821", "CVE-2010-2810"], "lastseen": "2017-10-29T13:39:29"}], "openvas": [{"id": "OPENVAS:1361412562310841235", "type": "openvas", "title": "Ubuntu Update for lynx-cur USN-1642-1", "description": "Ubuntu Update for Linux kernel vulnerabilities USN-1642-1", "published": "2012-12-04T00:00:00", "cvss": {"score": 6.8, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:PARTIAL/I:PARTIAL/A:PARTIAL/"}, "href": "http://plugins.openvas.org/nasl.php?oid=1361412562310841235", "cvelist": ["CVE-2012-5821", "CVE-2010-2810"], "lastseen": "2018-04-06T11:18:13"}, {"id": "OPENVAS:841235", "type": "openvas", "title": "Ubuntu Update for lynx-cur USN-1642-1", "description": "Ubuntu Update for Linux kernel vulnerabilities USN-1642-1", "published": "2012-12-04T00:00:00", "cvss": {"score": 6.8, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:PARTIAL/I:PARTIAL/A:PARTIAL/"}, "href": "http://plugins.openvas.org/nasl.php?oid=841235", "cvelist": ["CVE-2012-5821", "CVE-2010-2810"], "lastseen": "2017-12-04T11:20:16"}]}}