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ID

VAR-202109-0973


CVE

CVE-2021-39531


TITLE

libslax  Out-of-bounds write vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2021-012467

DESCRIPTION

An issue was discovered in libslax through v0.22.1. slaxLexer() in slaxlexer.c has a stack-based buffer overflow. libslax Exists in an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. libslax is an open source implementation of the SLAX language. No detailed vulnerability details are currently available

Trust: 1.8

sources: NVD: CVE-2021-39531 // JVNDB: JVNDB-2021-012467 // VULHUB: VHN-400995 // VULMON: CVE-2021-39531

AFFECTED PRODUCTS

vendor:junipermodel:libslaxscope:lteversion:0.22.1

Trust: 1.0

vendor:ジュニパーネットワークスmodel:libslaxscope:eqversion:0.22.1 to

Trust: 0.8

vendor:ジュニパーネットワークスmodel:libslaxscope:eqversion: -

Trust: 0.8

sources: JVNDB: JVNDB-2021-012467 // NVD: CVE-2021-39531

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-39531
value: HIGH

Trust: 1.0

NVD: CVE-2021-39531
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202109-1381
value: HIGH

Trust: 0.6

VULHUB: VHN-400995
value: MEDIUM

Trust: 0.1

VULMON: CVE-2021-39531
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-39531
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:M/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.6
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

VULHUB: VHN-400995
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:M/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.6
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2021-39531
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2021-39531
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-400995 // VULMON: CVE-2021-39531 // JVNDB: JVNDB-2021-012467 // CNNVD: CNNVD-202109-1381 // NVD: CVE-2021-39531

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.1

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

Trust: 0.8

sources: VULHUB: VHN-400995 // JVNDB: JVNDB-2021-012467 // NVD: CVE-2021-39531

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202109-1381

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202109-1381

PATCH

title:4 #53url:https://github.com/Juniper/libslax/issues/53

Trust: 0.8

title:libslax Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=164716

Trust: 0.6

sources: JVNDB: JVNDB-2021-012467 // CNNVD: CNNVD-202109-1381

EXTERNAL IDS

db:NVDid:CVE-2021-39531

Trust: 3.4

db:JVNDBid:JVNDB-2021-012467

Trust: 0.8

db:CNNVDid:CNNVD-202109-1381

Trust: 0.6

db:CNVDid:CNVD-2022-19079

Trust: 0.1

db:VULHUBid:VHN-400995

Trust: 0.1

db:VULMONid:CVE-2021-39531

Trust: 0.1

sources: VULHUB: VHN-400995 // VULMON: CVE-2021-39531 // JVNDB: JVNDB-2021-012467 // CNNVD: CNNVD-202109-1381 // NVD: CVE-2021-39531

REFERENCES

url:https://github.com/juniper/libslax/issues/53

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2021-39531

Trust: 1.4

url:https://cwe.mitre.org/data/definitions/787.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: VULHUB: VHN-400995 // VULMON: CVE-2021-39531 // JVNDB: JVNDB-2021-012467 // CNNVD: CNNVD-202109-1381 // NVD: CVE-2021-39531

SOURCES

db:VULHUBid:VHN-400995
db:VULMONid:CVE-2021-39531
db:JVNDBid:JVNDB-2021-012467
db:CNNVDid:CNNVD-202109-1381
db:NVDid:CVE-2021-39531

LAST UPDATE DATE

2024-08-14T15:06:44.361000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-400995date:2021-10-02T00:00:00
db:VULMONid:CVE-2021-39531date:2021-10-02T00:00:00
db:JVNDBid:JVNDB-2021-012467date:2022-08-31T08:59:00
db:CNNVDid:CNNVD-202109-1381date:2021-10-09T00:00:00
db:NVDid:CVE-2021-39531date:2021-10-02T02:21:03.253

SOURCES RELEASE DATE

db:VULHUBid:VHN-400995date:2021-09-20T00:00:00
db:VULMONid:CVE-2021-39531date:2021-09-20T00:00:00
db:JVNDBid:JVNDB-2021-012467date:2022-08-31T00:00:00
db:CNNVDid:CNNVD-202109-1381date:2021-09-20T00:00:00
db:NVDid:CVE-2021-39531date:2021-09-20T16:15:12.210