gsd-2020-15702
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
TOCTOU Race Condition vulnerability in apport allows a local attacker to escalate privileges and execute arbitrary code. An attacker may exit the crashed process and exploit PID recycling to spawn a root process with the same PID as the crashed process, which can then be used to escalate privileges. Fixed in 2.20.1-0ubuntu2.24, 2.20.9 versions prior to 2.20.9-0ubuntu7.16 and 2.20.11 versions prior to 2.20.11-0ubuntu27.6. Was ZDI-CAN-11234.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2020-15702", "description": "TOCTOU Race Condition vulnerability in apport allows a local attacker to escalate privileges and execute arbitrary code. An attacker may exit the crashed process and exploit PID recycling to spawn a root process with the same PID as the crashed process, which can then be used to escalate privileges. Fixed in 2.20.1-0ubuntu2.24, 2.20.9 versions prior to 2.20.9-0ubuntu7.16 and 2.20.11 versions prior to 2.20.11-0ubuntu27.6. Was ZDI-CAN-11234.", "id": "GSD-2020-15702", "references": [ "https://www.suse.com/security/cve/CVE-2020-15702.html", "https://ubuntu.com/security/CVE-2020-15702" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2020-15702" ], "details": "TOCTOU Race Condition vulnerability in apport allows a local attacker to escalate privileges and execute arbitrary code. An attacker may exit the crashed process and exploit PID recycling to spawn a root process with the same PID as the crashed process, which can then be used to escalate privileges. Fixed in 2.20.1-0ubuntu2.24, 2.20.9 versions prior to 2.20.9-0ubuntu7.16 and 2.20.11 versions prior to 2.20.11-0ubuntu27.6. Was ZDI-CAN-11234.", "id": "GSD-2020-15702", "modified": "2023-12-13T01:21:44.003158Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "AKA": "", "ASSIGNER": "security@ubuntu.com", "DATE_PUBLIC": "2020-08-04T21:00:00.000Z", "ID": "CVE-2020-15702", "STATE": "PUBLIC", "TITLE": "TOCTOU in apport" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "apport", "version": { "version_data": [ { "platform": "", "version_affected": "\u003c", "version_name": "2.20.1", "version_value": "2.20.1-0ubuntu2.24" }, { "platform": "", "version_affected": "\u003c", "version_name": "2.20.9", "version_value": "2.20.9-0ubuntu7.16" }, { "platform": "", "version_affected": "\u003c", "version_name": "2.20.11", "version_value": "2.20.11-0ubuntu27.6" } ] } } ] }, "vendor_name": "Canonical" } ] } }, "configuration": [], "credit": [ { "lang": "eng", "value": "Ryota Shiga" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "TOCTOU Race Condition vulnerability in apport allows a local attacker to escalate privileges and execute arbitrary code. An attacker may exit the crashed process and exploit PID recycling to spawn a root process with the same PID as the crashed process, which can then be used to escalate privileges. Fixed in 2.20.1-0ubuntu2.24, 2.20.9 versions prior to 2.20.9-0ubuntu7.16 and 2.20.11 versions prior to 2.20.11-0ubuntu27.6. Was ZDI-CAN-11234." } ] }, "exploit": [], "generator": { "engine": "Vulnogram 0.0.9" }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition" } ] } ] }, "references": { "reference_data": [ { "name": "https://usn.ubuntu.com/4449-1", "refsource": "CONFIRM", "url": "https://usn.ubuntu.com/4449-1" }, { "name": "USN-4449-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4449-1/" }, { "name": "https://www.zerodayinitiative.com/advisories/ZDI-20-979/", "refsource": "MISC", "url": 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"security@ubuntu.com", "ID": "CVE-2020-15702" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "TOCTOU Race Condition vulnerability in apport allows a local attacker to escalate privileges and execute arbitrary code. An attacker may exit the crashed process and exploit PID recycling to spawn a root process with the same PID as the crashed process, which can then be used to escalate privileges. Fixed in 2.20.1-0ubuntu2.24, 2.20.9 versions prior to 2.20.9-0ubuntu7.16 and 2.20.11 versions prior to 2.20.11-0ubuntu27.6. Was ZDI-CAN-11234." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-367" } ] } ] }, "references": { "reference_data": [ { "name": "https://usn.ubuntu.com/4449-1", "refsource": "CONFIRM", "tags": [ "Vendor Advisory" ], "url": "https://usn.ubuntu.com/4449-1" }, { "name": "USN-4449-1", "refsource": "UBUNTU", "tags": [ "Vendor Advisory" ], "url": "https://usn.ubuntu.com/4449-1/" }, { "name": "https://www.zerodayinitiative.com/advisories/ZDI-20-979/", "refsource": "MISC", "tags": [ "Third Party Advisory", "VDB Entry" ], "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-979/" }, { "name": "USN-4449-2", "refsource": "UBUNTU", "tags": [ "Vendor Advisory" ], "url": "https://usn.ubuntu.com/4449-2/" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0" }, "exploitabilityScore": 3.4, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 1.0, "impactScore": 5.9 } }, "lastModifiedDate": "2023-01-27T18:19Z", "publishedDate": "2020-08-06T23:15Z" } } }
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Sightings
Author | Source | Type | Date |
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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.