CVE-2020-25269

An issue was discovered in InspIRCd 2 before 2.0.29 and 3 before 3.6.0. The pgsql module contains a use after free vulnerability. When combined with the sqlauth or sqloper modules, this vulnerability can be used for remote crashing of an InspIRCd server by any user able to connect to a server.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 6.8 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:C

Exploitability : 8.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/inspircd/inspircd/compare/v2.0.28...07d7dea	Patch Third Party Advisory
https://docs.inspircd.org/security/2020-01/	Vendor Advisory
https://github.com/inspircd/inspircd/compare/426d1c8...b3f1db9	Patch Third Party Advisory
https://www.debian.org/security/2020/dsa-4764
https://lists.debian.org/debian-lts-announce/2020/09/msg00015.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:inspircd:inspircd::::::::
	cpe:2.3:a:inspircd:inspircd::::::::

Information

Published : 2020-09-11 05:15

Updated : 2020-09-20 07:15

NVD link : CVE-2020-25269

Mitre link : CVE-2020-25269

JSON object : View

Products Affected

inspircd

inspircd

CWE

CWE-416

Use After Free

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/inspircd/inspircd/compare/v2.0.28...07d7dea", "name": "https://github.com/inspircd/inspircd/compare/v2.0.28...07d7dea", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://docs.inspircd.org/security/2020-01/", "name": "https://docs.inspircd.org/security/2020-01/", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://github.com/inspircd/inspircd/compare/426d1c8...b3f1db9", "name": "https://github.com/inspircd/inspircd/compare/426d1c8...b3f1db9", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://www.debian.org/security/2020/dsa-4764", "name": "DSA-4764", "tags": [], "refsource": "DEBIAN"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/09/msg00015.html", "name": "[debian-lts-announce] 20200920 [SECURITY] [DLA 2375-1] inspircd security update", "tags": [], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "An issue was discovered in InspIRCd 2 before 2.0.29 and 3 before 3.6.0. The pgsql module contains a use after free vulnerability. When combined with the sqlauth or sqloper modules, this vulnerability can be used for remote crashing of an InspIRCd server by any user able to connect to a server."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-416"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-25269", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}}, "publishedDate": "2020-09-11T05:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:inspircd:inspircd:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.0.29", "versionStartIncluding": "2.0"}, {"cpe23Uri": "cpe:2.3:a:inspircd:inspircd:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.6.0", "versionStartIncluding": "3.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-09-20T07:15Z"}