CVE-2022-28736

CVSS v3 6.4 MEDIUM

6.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

T

here's a use-after-free vulnerability in grub_cmd_chainloader() function; The chainloader command is used to boot up operating systems that doesn't support multiboot and do not have direct support from GRUB2. When executing chainloader more than once a use-after-free vulnerability is triggered. If an attacker can control the GRUB2's memory allocation pattern sensitive data may be exposed and arbitrary code execution can be achieved.

References

Link	Resource
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736	Third Party Advisory
https://security.netapp.com/advisory/ntap-20230825-0002/
https://www.openwall.com/lists/oss-security/2022/06/07/5	Mailing List Third Party Advisory
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736	Third Party Advisory
https://security.netapp.com/advisory/ntap-20230825-0002/
https://www.openwall.com/lists/oss-security/2022/06/07/5	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:57

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~7.8~~	v2 : unknown v3 : 6.4
References	~~() https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736 - Third Party Advisory~~	() https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736 - Third Party Advisory
References	~~() https://security.netapp.com/advisory/ntap-20230825-0002/ -~~	() https://security.netapp.com/advisory/ntap-20230825-0002/ -
References	~~() https://www.openwall.com/lists/oss-security/2022/06/07/5 - Mailing List, Third Party Advisory~~	() https://www.openwall.com/lists/oss-security/2022/06/07/5 - Mailing List, Third Party Advisory

Information

Published : 2023-07-20 01:15

Updated : 2024-11-21 06:57

NVD link : CVE-2022-28736

Mitre link : CVE-2022-28736

CVE.ORG link : CVE-2022-28736

JSON object : View

Products Affected

grub2

CWE

CWE-416

Use After Free

{"id": "CVE-2022-28736", "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.4, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.5}, {"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2023-07-20T01:15:10.400", "references": [{"url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736", "tags": ["Third Party Advisory"], "source": "[email protected]"}, {"url": "https://security.netapp.com/advisory/ntap-20230825-0002/", "source": "[email protected]"}, {"url": "https://www.openwall.com/lists/oss-security/2022/06/07/5", "tags": ["Mailing List", "Third Party Advisory"], "source": "[email protected]"}, {"url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.netapp.com/advisory/ntap-20230825-0002/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.openwall.com/lists/oss-security/2022/06/07/5", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "There's a use-after-free vulnerability in grub_cmd_chainloader() function; The chainloader command is used to boot up operating systems that doesn't support multiboot and do not have direct support from GRUB2. When executing chainloader more than once a use-after-free vulnerability is triggered. If an attacker can control the GRUB2's memory allocation pattern sensitive data may be exposed and arbitrary code execution can be achieved."}], "lastModified": "2024-11-21T06:57:50.070", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F969F462-AB12-4158-BBA9-A9D828434F9F", "versionEndExcluding": "2.06-3", "versionStartIncluding": "2.00"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}