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GHSA-8c56-cpmw-89x7
Vulnerability from github
Published
2017-12-13 21:38
Modified
2021-06-30 18:05
Severity ?
Summary
Out-of-bounds read in nokogiri
Details
libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictAddString function in dict.c. This vulnerability causes programs that use libxml2, such as PHP, to crash. This vulnerability exists because of an incomplete fix for CVE-2016-1839. GitHub is notifying on nokogiri as uses libxml2.
{
"affected": [
{
"package": {
"ecosystem": "RubyGems",
"name": "nokogiri"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2017-9050"
],
"database_specific": {
"cwe_ids": [
"CWE-125"
],
"github_reviewed": true,
"github_reviewed_at": "2020-06-16T21:25:13Z",
"nvd_published_at": "2017-05-18T06:29:00Z",
"severity": "HIGH"
},
"details": "libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictAddString function in dict.c. This vulnerability causes programs that use libxml2, such as PHP, to crash. This vulnerability exists because of an incomplete fix for CVE-2016-1839. GitHub is notifying on nokogiri as uses libxml2.",
"id": "GHSA-8c56-cpmw-89x7",
"modified": "2021-06-30T18:05:23Z",
"published": "2017-12-13T21:38:24Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-9050"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/201711-01"
},
{
"type": "WEB",
"url": "http://www.debian.org/security/2017/dsa-3952"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2017/05/15/1"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "Out-of-bounds read in nokogiri"
}
cve-2017-9050
Vulnerability from cvelistv5
Published
2017-05-18 06:13
Modified
2024-08-05 16:55
Severity ?
EPSS score ?
Summary
libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictAddString function in dict.c. This vulnerability causes programs that use libxml2, such as PHP, to crash. This vulnerability exists because of an incomplete fix for CVE-2016-1839.
References
| ▼ | URL | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/98568 | vdb-entry, x_refsource_BID | |
| http://www.debian.org/security/2017/dsa-3952 | vendor-advisory, x_refsource_DEBIAN | |
| https://security.gentoo.org/glsa/201711-01 | vendor-advisory, x_refsource_GENTOO | |
| http://www.openwall.com/lists/oss-security/2017/05/15/1 | x_refsource_MISC | |
| https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E | mailing-list, x_refsource_MLIST | |
| https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E | mailing-list, x_refsource_MLIST |
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gsd-2017-9050
Vulnerability from gsd
Modified
2017-09-19 00:00
Details
The version of libxml2 packaged with Nokogiri contains several
vulnerabilities. Nokogiri has mitigated these issues by upgrading to
libxml 2.9.5.
It was discovered that a type confusion error existed in libxml2. An
attacker could use this to specially construct XML data that
could cause a denial of service or possibly execute arbitrary
code. (CVE-2017-0663)
It was discovered that libxml2 did not properly validate parsed entity
references. An attacker could use this to specially construct XML
data that could expose sensitive information. (CVE-2017-7375)
It was discovered that a buffer overflow existed in libxml2 when
handling HTTP redirects. An attacker could use this to specially
construct XML data that could cause a denial of service or possibly
execute arbitrary code. (CVE-2017-7376)
Marcel Böhme and Van-Thuan Pham discovered a buffer overflow in
libxml2 when handling elements. An attacker could use this to specially
construct XML data that could cause a denial of service or possibly
execute arbitrary code. (CVE-2017-9047)
Marcel Böhme and Van-Thuan Pham discovered a buffer overread
in libxml2 when handling elements. An attacker could use this
to specially construct XML data that could cause a denial of
service. (CVE-2017-9048)
Marcel Böhme and Van-Thuan Pham discovered multiple buffer overreads
in libxml2 when handling parameter-entity references. An attacker
could use these to specially construct XML data that could cause a
denial of service. (CVE-2017-9049, CVE-2017-9050)
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2017-9050",
"description": "libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictAddString function in dict.c. This vulnerability causes programs that use libxml2, such as PHP, to crash. This vulnerability exists because of an incomplete fix for CVE-2016-1839.",
"id": "GSD-2017-9050",
"references": [
"https://www.suse.com/security/cve/CVE-2017-9050.html",
"https://www.debian.org/security/2017/dsa-3952",
"https://access.redhat.com/errata/RHSA-2018:2486",
"https://ubuntu.com/security/CVE-2017-9050",
"https://advisories.mageia.org/CVE-2017-9050.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"affected": [
{
"package": {
"ecosystem": "RubyGems",
"name": "nokogiri",
"purl": "pkg:gem/nokogiri"
}
}
],
"aliases": [
"CVE-2017-9050",
"GHSA-8c56-cpmw-89x7"
],
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"id": "GSD-2017-9050",
"modified": "2017-09-19T00:00:00.000Z",
"published": "2017-09-19T00:00:00.000Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/sparklemotion/nokogiri/issues/1673"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/usn/usn-3424-1/"
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"schema_version": "1.4.0",
"severity": [
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"type": "CVSS_V3"
}
],
"summary": "Nokogiri gem, via libxml, is affected by DoS and RCE vulnerabilities"
}
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"cve": "2017-9050",
"cvss_v3": 7.5,
"date": "2017-09-19",
"description": "The version of libxml2 packaged with Nokogiri contains several\nvulnerabilities. Nokogiri has mitigated these issues by upgrading to\nlibxml 2.9.5.\n\nIt was discovered that a type confusion error existed in libxml2. An\nattacker could use this to specially construct XML data that\ncould cause a denial of service or possibly execute arbitrary\ncode. (CVE-2017-0663)\n\nIt was discovered that libxml2 did not properly validate parsed entity\nreferences. An attacker could use this to specially construct XML\ndata that could expose sensitive information. (CVE-2017-7375)\n\nIt was discovered that a buffer overflow existed in libxml2 when\nhandling HTTP redirects. An attacker could use this to specially\nconstruct XML data that could cause a denial of service or possibly\nexecute arbitrary code. (CVE-2017-7376)\n\nMarcel B\u00f6hme and Van-Thuan Pham discovered a buffer overflow in\nlibxml2 when handling elements. An attacker could use this to specially\nconstruct XML data that could cause a denial of service or possibly\nexecute arbitrary code. (CVE-2017-9047)\n\nMarcel B\u00f6hme and Van-Thuan Pham discovered a buffer overread\nin libxml2 when handling elements. An attacker could use this\nto specially construct XML data that could cause a denial of\nservice. (CVE-2017-9048)\n\nMarcel B\u00f6hme and Van-Thuan Pham discovered multiple buffer overreads\nin libxml2 when handling parameter-entity references. An attacker\ncould use these to specially construct XML data that could cause a\ndenial of service. (CVE-2017-9049, CVE-2017-9050)\n",
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]
},
"title": "Nokogiri gem, via libxml, is affected by DoS and RCE vulnerabilities",
"url": "https://github.com/sparklemotion/nokogiri/issues/1673"
},
"gitlab.com": {
"advisories": [
{
"affected_range": "=2.9.4",
"affected_versions": "Version 2.9.4",
"cvss_v2": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-125",
"CWE-937"
],
"date": "2021-06-29",
"description": "libxml2 is vulnerable to a heap-based buffer over-read in the xmlDictAddString function in dict.c. This vulnerability causes programs that use libxml2, such as PHP, to crash. This vulnerability exists because of an incomplete fix for CVE-2016-1839.",
"fixed_versions": [],
"identifier": "CVE-2017-9050",
"identifiers": [
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],
"not_impacted": "",
"package_slug": "gem/nokogiri",
"pubdate": "2017-05-18",
"solution": "Unfortunately, there is no solution available yet.",
"title": "Out-of-bounds Read",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2017-9050",
"http://www.openwall.com/lists/oss-security/2017/05/15/1",
"http://www.securityfocus.com/bid/98568",
"http://www.debian.org/security/2017/dsa-3952",
"https://security.gentoo.org/glsa/201711-01",
"https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E",
"https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E"
],
"uuid": "9d3f402d-e0ee-46d5-9d33-5abc9d2a3b21"
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{
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"affected_versions": "Version 2.9.4",
"cvss_v2": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-125",
"CWE-937"
],
"date": "2021-06-29",
"description": "libxml2 is vulnerable to a heap-based buffer over-read in the xmlDictAddString function in dict.c. This vulnerability causes programs that use libxml2, such as PHP, to crash. This vulnerability exists because of an incomplete fix for CVE-2016-1839.",
"fixed_versions": [],
"identifier": "CVE-2017-9050",
"identifiers": [
"CVE-2017-9050"
],
"not_impacted": "",
"package_slug": "nuget/libxml2",
"pubdate": "2017-05-18",
"solution": "Unfortunately, there is no solution available yet.",
"title": "Out-of-bounds Read",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2017-9050"
],
"uuid": "e53a6578-38b7-4a4b-a368-39c056855a4c"
}
]
},
"nvd.nist.gov": {
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"nodes": [
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"cpe_match": [
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"cpe23Uri": "cpe:2.3:a:xmlsoft:libxml2:2.9.4:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
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"value": "libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictAddString function in dict.c. This vulnerability causes programs that use libxml2, such as PHP, to crash. This vulnerability exists because of an incomplete fix for CVE-2016-1839."
}
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"problemtype": {
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},
"references": {
"reference_data": [
{
"name": "http://www.openwall.com/lists/oss-security/2017/05/15/1",
"refsource": "MISC",
"tags": [
"Exploit",
"Mailing List",
"Patch",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2017/05/15/1"
},
{
"name": "98568",
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"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/98568"
},
{
"name": "DSA-3952",
"refsource": "DEBIAN",
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"url": "http://www.debian.org/security/2017/dsa-3952"
},
{
"name": "GLSA-201711-01",
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"tags": [],
"url": "https://security.gentoo.org/glsa/201711-01"
},
{
"name": "[bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8",
"refsource": "MLIST",
"tags": [],
"url": "https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E"
},
{
"name": "[bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8",
"refsource": "MLIST",
"tags": [],
"url": "https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E"
}
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},
"impact": {
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"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2021-06-29T15:15Z",
"publishedDate": "2017-05-18T06:29Z"
}
}
}
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- 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.