Sign-up

ID

VAR-202109-0976


CVE

CVE-2021-39534


TITLE

libslax  Out-of-bounds write vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2021-012415

DESCRIPTION

An issue was discovered in libslax through v0.22.1. slaxIsCommentStart() in slaxlexer.c has a heap-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-2021-39534 // JVNDB: JVNDB-2021-012415 // VULHUB: VHN-400998 // VULMON: CVE-2021-39534

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: -

Trust: 0.8

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

Trust: 0.8

sources: JVNDB: JVNDB-2021-012415 // NVD: CVE-2021-39534

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-39534
value: HIGH

Trust: 1.0

NVD: CVE-2021-39534
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202109-1388
value: HIGH

Trust: 0.6

VULHUB: VHN-400998
value: MEDIUM

Trust: 0.1

VULMON: CVE-2021-39534
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-39534
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-400998
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-2021-39534
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-2021-39534
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-400998 // VULMON: CVE-2021-39534 // JVNDB: JVNDB-2021-012415 // CNNVD: CNNVD-202109-1388 // NVD: CVE-2021-39534

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.1

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

Trust: 0.8

sources: VULHUB: VHN-400998 // JVNDB: JVNDB-2021-012415 // NVD: CVE-2021-39534

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202109-1388

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202109-1388

PATCH

title:13 #52url:https://github.com/Juniper/libslax/issues/52

Trust: 0.8

title:libslax Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=164721

Trust: 0.6

sources: JVNDB: JVNDB-2021-012415 // CNNVD: CNNVD-202109-1388

EXTERNAL IDS

db:NVDid:CVE-2021-39534

Trust: 3.4

db:JVNDBid:JVNDB-2021-012415

Trust: 0.8

db:CNNVDid:CNNVD-202109-1388

Trust: 0.6

db:CNVDid:CNVD-2022-19082

Trust: 0.1

db:VULHUBid:VHN-400998

Trust: 0.1

db:VULMONid:CVE-2021-39534

Trust: 0.1

sources: VULHUB: VHN-400998 // VULMON: CVE-2021-39534 // JVNDB: JVNDB-2021-012415 // CNNVD: CNNVD-202109-1388 // NVD: CVE-2021-39534

REFERENCES

url:https://github.com/juniper/libslax/issues/52

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2021-39534

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-400998 // VULMON: CVE-2021-39534 // JVNDB: JVNDB-2021-012415 // CNNVD: CNNVD-202109-1388 // NVD: CVE-2021-39534

SOURCES

db:VULHUBid:VHN-400998
db:VULMONid:CVE-2021-39534
db:JVNDBid:JVNDB-2021-012415
db:CNNVDid:CNNVD-202109-1388
db:NVDid:CVE-2021-39534

LAST UPDATE DATE

2024-08-14T14:25:14.305000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-400998date:2021-10-02T00:00:00
db:VULMONid:CVE-2021-39534date:2021-10-02T00:00:00
db:JVNDBid:JVNDB-2021-012415date:2022-08-31T02:50:00
db:CNNVDid:CNNVD-202109-1388date:2021-10-09T00:00:00
db:NVDid:CVE-2021-39534date:2021-10-02T02:16:16.700

SOURCES RELEASE DATE

db:VULHUBid:VHN-400998date:2021-09-20T00:00:00
db:VULMONid:CVE-2021-39534date:2021-09-20T00:00:00
db:JVNDBid:JVNDB-2021-012415date:2022-08-31T00:00:00
db:CNNVDid:CNNVD-202109-1388date:2021-09-20T00:00:00
db:NVDid:CVE-2021-39534date:2021-09-20T16:15:12.347