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GHSA-8c56-cpmw-89x7
Vulnerability from github
Published
2017-12-13 21:38
Modified
2021-06-30 18:05
Severity ?
VLAI 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"
}
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"
],
"details": "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",
"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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"url": "https://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-0663.html"
},
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"url": "https://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-7375.html"
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"schema_version": "1.4.0",
"severity": [
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}
],
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"scope": "UNCHANGED",
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CVE-2017-9050 (GCVE-0-2017-9050)
Vulnerability from cvelistv5
Published
2017-05-18 06:13
Modified
2024-08-05 16:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
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 | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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