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Ubuntu.comUB:CVE-2021-4070

HistoryFeb 23, 2022 - 12:00 a.m.

CVE-2021-4070

2022-02-2300:00:00

ubuntu.com

github

v2ray-core

off-by-one

error

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS

0.002

Percentile

56.6%

JSON

Off-by-one Error in GitHub repository v2fly/v2ray-core prior to 4.44.0.

Bugs

<http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1010377>

OSVersionArchitecturePackageVersionFilename
ubuntu22.04noarchgolang-v2ray-core< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	22.04	noarch	golang-v2ray-core	< any	UNKNOWN

References

github.com/v2fly/v2ray-core/commit/c1af2bfd7aa59a4482aa7f6ec4b9208c1d350b5c

huntr.dev/bounties/8da19456-4d89-41ef-9781-a41efd6a1877/

launchpad.net/bugs/cve/CVE-2021-4070

nvd.nist.gov/vuln/detail/CVE-2021-4070

security-tracker.debian.org/tracker/CVE-2021-4070

www.cve.org/CVERecord?id=CVE-2021-4070

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS

0.002

Percentile

56.6%

JSON

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