usn-2547-1
Vulnerability from osv_ubuntu
Published
2015-03-24 12:44
Modified
2026-04-22 07:36
Summary
mono vulnerabilities
Details
It was discovered that the Mono TLS implementation was vulnerable to the SKIP-TLS vulnerability. A remote attacker could possibly use this issue to perform client impersonation attacks. (CVE-2015-2318)
It was discovered that the Mono TLS implementation was vulnerable to the FREAK vulnerability. A remote attacker or a machine-in-the-middle could possibly use this issue to force the use of insecure ciphersuites. (CVE-2015-2319)
It was discovered that the Mono TLS implementation still supported a fallback to SSLv2. This update removes the functionality as use of SSLv2 is known to be insecure. (CVE-2015-2320)
It was discovered that Mono incorrectly handled memory in certain circumstances. A remote attacker could possibly use this issue to cause Mono to crash, resulting in a denial of service, or to obtain sensitive information. This issue only applied to Ubuntu 12.04 LTS. (CVE-2011-0992)
It was discovered that Mono incorrectly handled hash collisions. A remote attacker could possibly use this issue to cause Mono to crash, resulting in a denial of service. This issue only applied to Ubuntu 12.04 LTS. (CVE-2012-3543)
References
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2015-2318",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2015-2319",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2015-2320",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:14.04:LTS"
}
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"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "mono",
"purl": "pkg:deb/ubuntu/mono@3.2.8+dfsg-4ubuntu1.1?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.2.8+dfsg-4ubuntu1.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.10.8.1-5ubuntu2",
"3.2.3+dfsg-5",
"3.2.3+dfsg-7ubuntu1",
"3.2.8+dfsg-4ubuntu1"
]
}
],
"aliases": [],
"details": "It was discovered that the Mono TLS implementation was vulnerable to the\nSKIP-TLS vulnerability. A remote attacker could possibly use this issue\nto perform client impersonation attacks. (CVE-2015-2318)\n\nIt was discovered that the Mono TLS implementation was vulnerable to the\nFREAK vulnerability. A remote attacker or a machine-in-the-middle could\npossibly use this issue to force the use of insecure ciphersuites.\n(CVE-2015-2319)\n\nIt was discovered that the Mono TLS implementation still supported a\nfallback to SSLv2. This update removes the functionality as use of SSLv2 is\nknown to be insecure. (CVE-2015-2320)\n\nIt was discovered that Mono incorrectly handled memory in certain\ncircumstances. A remote attacker could possibly use this issue to cause\nMono to crash, resulting in a denial of service, or to obtain sensitive\ninformation. This issue only applied to Ubuntu 12.04 LTS. (CVE-2011-0992)\n\nIt was discovered that Mono incorrectly handled hash collisions. A remote\nattacker could possibly use this issue to cause Mono to crash, resulting in\na denial of service. This issue only applied to Ubuntu 12.04 LTS.\n(CVE-2012-3543)\n",
"id": "USN-2547-1",
"modified": "2026-04-22T07:36:32Z",
"published": "2015-03-24T12:44:38Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-2547-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2011-0992"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2012-3543"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-2318"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-2319"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-2320"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "mono vulnerabilities",
"upstream": [
"UBUNTU-CVE-2011-0992",
"UBUNTU-CVE-2012-3543",
"UBUNTU-CVE-2015-2318",
"UBUNTU-CVE-2015-2319",
"UBUNTU-CVE-2015-2320"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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