gsd-2017-0903
Vulnerability from gsd
Modified
2017-10-09 00:00
Details
There is a possible unsafe object deserialization vulnerability in RubyGems.
It is possible for YAML deserialization of gem specifications to bypass class
white lists. Specially crafted serialized objects can possibly be used to
escalate to remote code execution.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2017-0903",
"description": "RubyGems versions between 2.0.0 and 2.6.13 are vulnerable to a possible remote code execution vulnerability. YAML deserialization of gem specifications can bypass class white lists. Specially crafted serialized objects can possibly be used to escalate to remote code execution.",
"id": "GSD-2017-0903",
"references": [
"https://www.suse.com/security/cve/CVE-2017-0903.html",
"https://www.debian.org/security/2017/dsa-4031",
"https://access.redhat.com/errata/RHSA-2018:0585",
"https://access.redhat.com/errata/RHSA-2018:0583",
"https://access.redhat.com/errata/RHSA-2018:0378",
"https://access.redhat.com/errata/RHSA-2017:3485",
"https://ubuntu.com/security/CVE-2017-0903",
"https://advisories.mageia.org/CVE-2017-0903.html",
"https://alas.aws.amazon.com/cve/html/CVE-2017-0903.html",
"https://linux.oracle.com/cve/CVE-2017-0903.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"affected": [
{
"package": {
"ecosystem": "RubyGems",
"name": "rubygems-update",
"purl": "pkg:gem/rubygems-update"
}
}
],
"aliases": [
"CVE-2017-0903",
"GHSA-mqwr-4qf2-2hcv"
],
"details": "There is a possible unsafe object deserialization vulnerability in RubyGems.\nIt is possible for YAML deserialization of gem specifications to bypass class\nwhite lists. Specially crafted serialized objects can possibly be used to\nescalate to remote code execution.\n",
"id": "GSD-2017-0903",
"modified": "2017-10-09T00:00:00.000Z",
"published": "2017-10-09T00:00:00.000Z",
"references": [
{
"type": "WEB",
"url": "https://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": 7.5,
"type": "CVSS_V2"
},
{
"score": 9.8,
"type": "CVSS_V3"
}
],
"summary": "Unsafe Object Deserialization Vulnerability in RubyGems"
}
},
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"affects": {
"vendor": {
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{
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"version": {
"version_data": [
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}
]
},
"problemtype": {
"problemtype_data": [
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"description": [
{
"lang": "eng",
"value": "Deserialization of Untrusted Data (CWE-502)"
}
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"name": "USN-3685-1",
"refsource": "UBUNTU",
"url": "https://usn.ubuntu.com/3685-1/"
},
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"refsource": "UBUNTU",
"url": "https://usn.ubuntu.com/3553-1/"
},
{
"name": "RHSA-2018:0585",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2018:0585"
},
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"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2018:0378"
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"url": "https://hackerone.com/reports/274990"
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"url": "https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49"
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"refsource": "MISC",
"url": "http://blog.rubygems.org/2017/10/09/2.6.14-released.html"
},
{
"name": "[debian-lts-announce] 20180714 [SECURITY] [DLA 1421-1] ruby2.1 security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html"
},
{
"name": "RHSA-2018:0583",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2018:0583"
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{
"name": "101275",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/101275"
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{
"name": "http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html",
"refsource": "MISC",
"url": "http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html"
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"github.com/rubysec/ruby-advisory-db": {
"cve": "2017-0903",
"cvss_v2": 7.5,
"cvss_v3": 9.8,
"date": "2017-10-09",
"description": "There is a possible unsafe object deserialization vulnerability in RubyGems.\nIt is possible for YAML deserialization of gem specifications to bypass class\nwhite lists. Specially crafted serialized objects can possibly be used to\nescalate to remote code execution.\n",
"gem": "rubygems-update",
"ghsa": "mqwr-4qf2-2hcv",
"library": "rubygems",
"patched_versions": [
"\u003e= 2.6.14"
],
"title": "Unsafe Object Deserialization Vulnerability in RubyGems",
"unaffected_versions": [
"\u003c 2.0.0"
],
"url": "https://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html"
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003e=2.0.0 \u003c=2.6.13",
"affected_versions": "All versions starting from 2.0.0 up to 2.6.13",
"cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-502",
"CWE-937"
],
"date": "2019-10-09",
"description": "rubygems-update is vulnerable to a remote code execution vulnerability. YAML deserialization of gem specifications can bypass class white lists. Specially crafted serialized objects can possibly be used to escalate to remote code execution.",
"fixed_versions": [
"2.6.14"
],
"identifier": "CVE-2017-0903",
"identifiers": [
"CVE-2017-0903"
],
"not_impacted": "All versions before 2.0.0, all versions after 2.6.13",
"package_slug": "gem/rubygems-update",
"pubdate": "2017-10-11",
"solution": "Upgrade to version 2.6.14 or above.",
"title": "Deserialization of Untrusted Data",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2017-0903",
"http://blog.rubygems.org/2017/10/09/2.6.14-released.html",
"http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html",
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],
"uuid": "00349a29-9047-4ccd-a062-4b4dcffe7e81"
}
]
},
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},
"lastModifiedDate": "2019-10-09T23:21Z",
"publishedDate": "2017-10-11T18:29Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.