Sign-up

ID

VAR-202006-0216


CVE

CVE-2020-14149


TITLE

uftpd In NULL Pointer dereference vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2020-006812

DESCRIPTION

In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user, causing a NULL pointer dereference and denial of service, as demonstrated by a CWD /.. command. uftpd To NULL A vulnerability exists regarding pointer dereference.Service operation interruption (DoS) It may be put into a state. uftpd is a Linux FTP/TFTP server. The vulnerability stems from the failure of handle_CWD in ftpcmd.c in uftpd to correctly handle the path provided by the user. An attacker can use the CWD /.. command to exploit this vulnerability to cause a denial of service

Trust: 2.16

sources: NVD: CVE-2020-14149 // JVNDB: JVNDB-2020-006812 // CNVD: CNVD-2021-25378

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-25378

AFFECTED PRODUCTS

vendor:troglobitmodel:uftpdscope:ltversion:2.12

Trust: 1.6

vendor:troglobitmodel:uftpdscope:eqversion:2.12

Trust: 0.8

sources: CNVD: CNVD-2021-25378 // JVNDB: JVNDB-2020-006812 // NVD: CVE-2020-14149

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-14149
value: HIGH

Trust: 1.0

NVD: JVNDB-2020-006812
value: HIGH

Trust: 0.8

CNVD: CNVD-2021-25378
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202006-1040
value: HIGH

Trust: 0.6

nvd@nist.gov: CVE-2020-14149
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

NVD: JVNDB-2020-006812
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

CNVD: CNVD-2021-25378
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2020-14149
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: JVNDB-2020-006812
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2021-25378 // JVNDB: JVNDB-2020-006812 // CNNVD: CNNVD-202006-1040 // NVD: CVE-2020-14149

PROBLEMTYPE DATA

problemtype:CWE-476

Trust: 1.8

sources: JVNDB: JVNDB-2020-006812 // NVD: CVE-2020-14149

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202006-1040

TYPE

code problem

Trust: 0.6

sources: CNNVD: CNNVD-202006-1040

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2020-006812

PATCH
title:Null Pointer Dereference / Crash #30url:https://github.com/troglobit/uftpd/issues/30
Trust: 0.8
title:uftpd v2.12url:https://github.com/troglobit/uftpd/releases/tag/v2.12
Trust: 0.8
title:Patch for uftpd null pointer dereference vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/256291
Trust: 0.6
title:uftpd Fixes for code issue vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=122491
Trust: 0.6
sources:
            
            
            CNVD: CNVD-2021-25378 // 
            
            
            
            JVNDB: JVNDB-2020-006812 // 
            
            
            
            CNNVD: CNNVD-202006-1040

EXTERNAL IDS
db:NVDid:CVE-2020-14149
Trust: 3.0
db:JVNDBid:JVNDB-2020-006812
Trust: 0.8
db:CNVDid:CNVD-2021-25378
Trust: 0.6
db:CNNVDid:CNNVD-202006-1040
Trust: 0.6
sources:
            
            
            CNVD: CNVD-2021-25378 // 
            
            
            
            JVNDB: JVNDB-2020-006812 // 
            
            
            
            CNNVD: CNNVD-202006-1040 // 
            
            
            
            NVD: CVE-2020-14149

REFERENCES
url:https://bugs.gentoo.org/726308
Trust: 2.4
url:https://nvd.nist.gov/vuln/detail/cve-2020-14149
Trust: 2.0
url:https://github.com/troglobit/uftpd/issues/30
Trust: 1.6
url:https://github.com/troglobit/uftpd/releases/tag/v2.12
Trust: 1.6
url:http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00052.html
Trust: 1.6
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-14149
Trust: 0.8
url:https://vigilance.fr/vulnerability/uftpd-null-pointer-dereference-via-handle-cwd-32621
Trust: 0.6
sources:
            
            
            CNVD: CNVD-2021-25378 // 
            
            
            
            JVNDB: JVNDB-2020-006812 // 
            
            
            
            CNNVD: CNNVD-202006-1040 // 
            
            
            
            NVD: CVE-2020-14149

SOURCES
db:CNVDid:CNVD-2021-25378
db:JVNDBid:JVNDB-2020-006812
db:CNNVDid:CNNVD-202006-1040
db:NVDid:CVE-2020-14149

LAST UPDATE DATE
2024-11-23T21:59:13.023000+00:00

SOURCES UPDATE DATE
db:CNVDid:CNVD-2021-25378date:2021-04-07T00:00:00
db:JVNDBid:JVNDB-2020-006812date:2020-07-17T00:00:00
db:CNNVDid:CNNVD-202006-1040date:2020-06-30T00:00:00
db:NVDid:CVE-2020-14149date:2024-11-21T05:02:44.710

SOURCES RELEASE DATE
db:CNVDid:CNVD-2021-25378date:2021-04-07T00:00:00
db:JVNDBid:JVNDB-2020-006812date:2020-07-17T00:00:00
db:CNNVDid:CNNVD-202006-1040date:2020-06-15T00:00:00
db:NVDid:CVE-2020-14149date:2020-06-15T18:15:15.147