gsd-2015-5147
Vulnerability from gsd
Modified
2015-06-22 00:00
Details
redcarpet Gem for Ruby contains a flaw that allows a stack overflow.
This flaw exists because the header_anchor() function in html.c uses
variable length arrays (VLA) without any range checking. This may
allow a remote attacker to execute arbitrary code.
Aliases
{
"GSD": {
"alias": "CVE-2015-5147",
"description": "Stack-based buffer overflow in the header_anchor function in the HTML renderer in Redcarpet before 3.3.2 allows attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors.",
"id": "GSD-2015-5147",
"references": [
"https://www.suse.com/security/cve/CVE-2015-5147.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"affected": [
{
"package": {
"ecosystem": "RubyGems",
"name": "redcarpet",
"purl": "pkg:gem/redcarpet"
}
}
],
"aliases": [
"CVE-2015-5147",
"OSVDB-123859",
"GHSA-7322-9mx6-5j2m"
],
"details": "redcarpet Gem for Ruby contains a flaw that allows a stack overflow.\nThis flaw exists because the header_anchor() function in html.c uses\nvariable length arrays (VLA) without any range checking. This may\nallow a remote attacker to execute arbitrary code.\n",
"id": "GSD-2015-5147",
"modified": "2015-06-22T00:00:00.000Z",
"published": "2015-06-22T00:00:00.000Z",
"references": [
{
"type": "WEB",
"url": "http://seclists.org/oss-sec/2015/q2/818"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": 7.5,
"type": "CVSS_V2"
}
],
"summary": "redcarpet Gem for Ruby html.c header_anchor() Function Stack Overflow"
}
},
"namespaces": {
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"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2015-5147",
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"references": {
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"name": "https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md",
"refsource": "CONFIRM",
"url": "https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md"
},
{
"name": "[oss-security] 20150629 CVE request: Stack overflow in redcarpet\u0027s header_anchor",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2015/06/29/3"
},
{
"name": "[oss-security] 20150630 Re: CVE request: Stack overflow in redcarpet\u0027s header_anchor",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2015/06/30/10"
},
{
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"refsource": "BID",
"url": "http://www.securityfocus.com/bid/75508"
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}
},
"github.com/rubysec/ruby-advisory-db": {
"cve": "2015-5147",
"cvss_v2": 7.5,
"date": "2015-06-22",
"description": "redcarpet Gem for Ruby contains a flaw that allows a stack overflow.\nThis flaw exists because the header_anchor() function in html.c uses\nvariable length arrays (VLA) without any range checking. This may\nallow a remote attacker to execute arbitrary code.\n",
"gem": "redcarpet",
"ghsa": "7322-9mx6-5j2m",
"osvdb": 123859,
"patched_versions": [
"\u003e= 3.3.2"
],
"title": "redcarpet Gem for Ruby html.c header_anchor() Function Stack Overflow",
"unaffected_versions": [
"\u003c 3.3.0"
],
"url": "http://seclists.org/oss-sec/2015/q2/818"
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c3.3.2",
"affected_versions": "All versions before 3.3.2",
"credit": "Giancarlo Canales Barreto",
"cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"cwe_ids": [
"CWE-1035",
"CWE-119",
"CWE-937"
],
"date": "2015-07-14",
"description": "The package redcarpet contains a flaw that allows a stack overflow. This flaw exists because the `header_anchor()` function in `html.c` uses variable length arrays (VLA) without any range checking. This may allow a remote attacker to execute arbitrary code.",
"fixed_versions": [
"3.3.2"
],
"identifier": "CVE-2015-5147",
"identifiers": [
"CVE-2015-5147"
],
"not_impacted": "All versions starting from 3.3.2",
"package_slug": "gem/redcarpet",
"pubdate": "2015-07-14",
"solution": "Upgrade to version 3.3.2 or above.",
"title": "Stack Overflow via header_anchor()",
"urls": [
"http://seclists.org/oss-sec/2015/q2/818",
"https://github.com/vmg/redcarpet/commit/2cee777c1e5babe8a1e2683d31ea75cc4afe55fb"
],
"uuid": "4133ae66-4c4a-4a2b-9f27-8ebcf85621d2"
}
]
},
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"nodes": [
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"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:redcarpet_project:redcarpet:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "3.3.1",
"vulnerable": true
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"problemtype": {
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"references": {
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{
"name": "75508",
"refsource": "BID",
"tags": [],
"url": "http://www.securityfocus.com/bid/75508"
},
{
"name": "[oss-security] 20150629 CVE request: Stack overflow in redcarpet\u0027s header_anchor",
"refsource": "MLIST",
"tags": [],
"url": "http://www.openwall.com/lists/oss-security/2015/06/29/3"
},
{
"name": "https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md",
"refsource": "CONFIRM",
"tags": [],
"url": "https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md"
},
{
"name": "[oss-security] 20150630 Re: CVE request: Stack overflow in redcarpet\u0027s header_anchor",
"refsource": "MLIST",
"tags": [],
"url": "http://www.openwall.com/lists/oss-security/2015/06/30/10"
}
]
}
},
"impact": {
"baseMetricV2": {
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "HIGH",
"userInteractionRequired": false
}
},
"lastModifiedDate": "2015-07-14T18:23Z",
"publishedDate": "2015-07-14T16:59Z"
}
}
}
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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.
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