Related vulnerabilities
gsd-2015-3649
Vulnerability from gsd
Modified
2015-05-05 00:00
Details
open-uri-cached Gem for Ruby contains a flaw that is due to the
program creating temporary files in a predictable, unsafe manner when using
YAML. This may allow a local attacker to gain elevated privileges.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2015-3649",
"description": "The open-uri-cached rubygem allows local users to execute arbitrary Ruby code by creating a directory under /tmp containing \"openuri-\" followed by a crafted UID, and putting Ruby code in said directory once a meta file is created.",
"id": "GSD-2015-3649"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"affected": [
{
"package": {
"ecosystem": "RubyGems",
"name": "open-uri-cached",
"purl": "pkg:gem/open-uri-cached"
}
}
],
"aliases": [
"CVE-2015-3649",
"OSVDB-121701"
],
"details": "open-uri-cached Gem for Ruby contains a flaw that is due to the\nprogram creating temporary files in a predictable, unsafe manner when using\nYAML. This may allow a local attacker to gain elevated privileges.\n",
"id": "GSD-2015-3649",
"modified": "2015-05-05T00:00:00.000Z",
"published": "2015-05-05T00:00:00.000Z",
"references": [
{
"type": "WEB",
"url": "http://seclists.org/oss-sec/2015/q2/373"
}
],
"schema_version": "1.4.0",
"summary": "open-uri-cached Gem for Ruby Unsafe Temporary File Creation Local Privilege Escalation"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2015-3649",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "The open-uri-cached rubygem allows local users to execute arbitrary Ruby code by creating a directory under /tmp containing \"openuri-\" followed by a crafted UID, and putting Ruby code in said directory once a meta file is created."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L39",
"refsource": "MISC",
"url": "https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L39"
},
{
"name": "https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L115",
"refsource": "MISC",
"url": "https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L115"
},
{
"name": "https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L25",
"refsource": "MISC",
"url": "https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L25"
},
{
"name": "[oss-security] 20150506 Re: Local privileges escalation in rubygem open-uri-cached",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2015/05/06/2"
},
{
"name": "74469",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/74469"
},
{
"name": "http://www.benjaminfleischer.com/2013/03/20/yaml-and-security-in-ruby/",
"refsource": "MISC",
"url": "http://www.benjaminfleischer.com/2013/03/20/yaml-and-security-in-ruby/"
}
]
}
},
"github.com/rubysec/ruby-advisory-db": {
"cve": "2015-3649",
"date": "2015-05-05",
"description": "open-uri-cached Gem for Ruby contains a flaw that is due to the\nprogram creating temporary files in a predictable, unsafe manner when using\nYAML. This may allow a local attacker to gain elevated privileges.\n",
"gem": "open-uri-cached",
"osvdb": 121701,
"title": "open-uri-cached Gem for Ruby Unsafe Temporary File Creation Local Privilege Escalation",
"url": "http://seclists.org/oss-sec/2015/q2/373"
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003e0.0.0a",
"affected_versions": "All versions",
"credit": "Michael Scherer",
"cvss_v2": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
"cvss_v3": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-20",
"CWE-937"
],
"date": "2017-08-23",
"description": "The gem `open-uri-cached` contains a flaw that is due to the program creating predictable temporary files and loading YAML without a safe loader. This may allow a local attacker to gain elevated privileges.",
"fixed_versions": [],
"identifier": "CVE-2015-3649",
"identifiers": [
"CVE-2015-3649"
],
"package_slug": "gem/open-uri-cached",
"pubdate": "2017-08-18",
"solution": "There is no solution for this vulnerability at the moment.",
"title": "Unsafe Temporary File Creation Local Privilege Escalation",
"urls": [
"http://www.openwall.com/lists/oss-security/2015/05/05/14",
"http://www.openwall.com/lists/oss-security/2015/05/06/2",
"https://github.com/tigris/open-uri-cached/issues/8"
],
"uuid": "d31e59b9-80b2-45ae-905c-93ef25191f33"
}
]
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:open-uri-cached_project:open-uri-cached:0.0.5:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2015-3649"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "The open-uri-cached rubygem allows local users to execute arbitrary Ruby code by creating a directory under /tmp containing \"openuri-\" followed by a crafted UID, and putting Ruby code in said directory once a meta file is created."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L39",
"refsource": "MISC",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L39"
},
{
"name": "https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L25",
"refsource": "MISC",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L25"
},
{
"name": "https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L115",
"refsource": "MISC",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L115"
},
{
"name": "74469",
"refsource": "BID",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/74469"
},
{
"name": "[oss-security] 20150506 Re: Local privileges escalation in rubygem open-uri-cached",
"refsource": "MLIST",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2015/05/06/2"
},
{
"name": "http://www.benjaminfleischer.com/2013/03/20/yaml-and-security-in-ruby/",
"refsource": "MISC",
"tags": [
"Third Party Advisory"
],
"url": "http://www.benjaminfleischer.com/2013/03/20/yaml-and-security-in-ruby/"
}
]
}
},
"impact": {
"baseMetricV2": {
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.6,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9
}
},
"lastModifiedDate": "2020-11-05T14:55Z",
"publishedDate": "2017-08-18T16:29Z"
}
}
}