gsd-2018-15501
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
In ng_pkt in transports/smart_pkt.c in libgit2 before 0.26.6 and 0.27.x before 0.27.4, a remote attacker can send a crafted smart-protocol "ng" packet that lacks a '\0' byte to trigger an out-of-bounds read that leads to DoS.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2018-15501",
"description": "In ng_pkt in transports/smart_pkt.c in libgit2 before 0.26.6 and 0.27.x before 0.27.4, a remote attacker can send a crafted smart-protocol \"ng\" packet that lacks a \u0027\\0\u0027 byte to trigger an out-of-bounds read that leads to DoS.",
"id": "GSD-2018-15501",
"references": [
"https://www.suse.com/security/cve/CVE-2018-15501.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
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],
"details": "In ng_pkt in transports/smart_pkt.c in libgit2 before 0.26.6 and 0.27.x before 0.27.4, a remote attacker can send a crafted smart-protocol \"ng\" packet that lacks a \u0027\\0\u0027 byte to trigger an out-of-bounds read that leads to DoS.",
"id": "GSD-2018-15501",
"modified": "2023-12-13T01:22:24.095077Z",
"schema_version": "1.4.0"
}
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"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c0.26.6||\u003e=0.27.0 \u003c0.27.4",
"affected_versions": "All versions before 0.26.6, all versions starting from 0.27.0 before 0.27.4",
"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": [
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"CWE-125",
"CWE-937"
],
"date": "2018-10-12",
"description": "There is a vulnerability in `ng_pkt` (`transports/smart_pkt.c`) in libgit2 which is wrapped by the rugged gem. A remote attacker can send a crafted smart-protocol `ng` packet that lacks a `\\0` byte to trigger an out-of-bounds read that leads to DoS.",
"fixed_versions": [
"0.26.6",
"0.27.4"
],
"identifier": "CVE-2018-15501",
"identifiers": [
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"not_impacted": "All versions starting from 0.26.6 before 0.27.0, all versions starting from 0.27.4",
"package_slug": "gem/rugged",
"pubdate": "2018-08-18",
"solution": "Upgrade to versions 0.26.6, 0.27.4 or above.",
"title": "Out-of-bounds Read",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2018-15501",
"https://bugzilla.suse.com/show_bug.cgi?id=1104641"
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"uuid": "49aaca07-07ab-4abc-8422-3d16078744c4"
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"cwe_ids": [
"CWE-1035",
"CWE-125",
"CWE-937"
],
"date": "2018-10-12",
"description": "In the library libgit2, which is used by pygit2, a remote attacker can send a crafted smart-protocol `ng` packet that lacks a `\\0` byte to trigger an out-of-bounds read leading to a DoS.",
"fixed_versions": [
"0.27.4"
],
"identifier": "CVE-2018-15501",
"identifiers": [
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"not_impacted": "All versions starting from 0.26.6 before 0.27.0, all versions starting from 0.27.4",
"package_slug": "pypi/pygit2",
"pubdate": "2018-08-18",
"solution": "Upgrade to version 0.27.4 or above.",
"title": "Out-of-bounds Read",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2018-15501",
"https://bugzilla.suse.com/show_bug.cgi?id=1104641"
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"uuid": "66b01aac-6cec-46b4-9bd8-63dace15b049"
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},
"impact": {
"baseMetricV2": {
"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
},
"baseMetricV3": {
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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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2022-05-11T20:59Z",
"publishedDate": "2018-08-18T02:29Z"
}
}
}
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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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