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ID

VAR-202012-0269


CVE

CVE-2020-20276


TITLE

uftpd FTP  Out-of-bounds write vulnerability in server

Trust: 0.8

sources: JVNDB: JVNDB-2020-014585

DESCRIPTION

An unauthenticated stack-based buffer overflow vulnerability in common.c's handle_PORT in uftpd FTP server versions 2.10 and earlier can be abused to cause a crash and could potentially lead to remote code execution. uftpd FTP The server is vulnerable to out-of-bounds writes.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state

Trust: 1.62

sources: NVD: CVE-2020-20276 // JVNDB: JVNDB-2020-014585

AFFECTED PRODUCTS

vendor:troglobitmodel:uftpdscope:lteversion:2.10

Trust: 1.0

vendor:troglobitmodel:uftpdscope:lteversion:2.10 and earlier

Trust: 0.8

vendor:troglobitmodel:uftpdscope:eqversion: -

Trust: 0.8

sources: JVNDB: JVNDB-2020-014585 // NVD: CVE-2020-20276

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-20276
value: CRITICAL

Trust: 1.0

NVD: CVE-2020-20276
value: CRITICAL

Trust: 0.8

CNNVD: CNNVD-202012-1367
value: CRITICAL

Trust: 0.6

nvd@nist.gov: CVE-2020-20276
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

nvd@nist.gov: CVE-2020-20276
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2020-20276
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: JVNDB: JVNDB-2020-014585 // CNNVD: CNNVD-202012-1367 // NVD: CVE-2020-20276

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

problemtype:Out-of-bounds writing (CWE-787) [NVD Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2020-014585 // NVD: CVE-2020-20276

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202012-1367

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202012-1367

PATCH

title:FTPurl:https://github.com/troglobit/uftpd/commit/0fb2c031ce0ace07cc19cd2cb2143c4b5a63c9dd

Trust: 0.8

title:uftpd Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=137866

Trust: 0.6

sources: JVNDB: JVNDB-2020-014585 // CNNVD: CNNVD-202012-1367

EXTERNAL IDS

db:NVDid:CVE-2020-20276

Trust: 2.4

db:JVNDBid:JVNDB-2020-014585

Trust: 0.8

db:CNNVDid:CNNVD-202012-1367

Trust: 0.6

sources: JVNDB: JVNDB-2020-014585 // CNNVD: CNNVD-202012-1367 // NVD: CVE-2020-20276

REFERENCES

url:https://arinerron.com/blog/posts/6

Trust: 1.6

url:https://github.com/troglobit/uftpd/commit/0fb2c031ce0ace07cc19cd2cb2143c4b5a63c9dd

Trust: 1.6

url:https://nvd.nist.gov/vuln/detail/cve-2020-20276

Trust: 1.4

sources: JVNDB: JVNDB-2020-014585 // CNNVD: CNNVD-202012-1367 // NVD: CVE-2020-20276

SOURCES

db:JVNDBid:JVNDB-2020-014585
db:CNNVDid:CNNVD-202012-1367
db:NVDid:CVE-2020-20276

LAST UPDATE DATE

2024-11-23T22:20:59.292000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2020-014585date:2021-08-25T05:30:00
db:CNNVDid:CNNVD-202012-1367date:2020-12-24T00:00:00
db:NVDid:CVE-2020-20276date:2024-11-21T05:11:59.427

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2020-014585date:2021-08-25T00:00:00
db:CNNVDid:CNNVD-202012-1367date:2020-12-18T00:00:00
db:NVDid:CVE-2020-20276date:2020-12-18T19:15:14.047