GSD-2017-0903
Vulnerability from gsd - Updated: 2017-10-09 00:00Details
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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{
"product": {
"product_data": [
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"product_name": "RubyGems",
"version": {
"version_data": [
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}
]
},
"problemtype": {
"problemtype_data": [
{
"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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"name": "RHSA-2018:0378",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2018:0378"
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"name": "https://hackerone.com/reports/274990",
"refsource": "MISC",
"url": "https://hackerone.com/reports/274990"
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"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2017/dsa-4031"
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"name": "https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49",
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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"
},
{
"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",
"http://www.securityfocus.com/bid/101275"
],
"uuid": "00349a29-9047-4ccd-a062-4b4dcffe7e81"
}
]
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{
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},
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"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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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 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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