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Debian Security Bug TrackerDEBIANCVE:CVE-2021-23409

HistoryJul 21, 2021 - 7:15 a.m.

CVE-2021-23409

2021-07-2107:15:07

Debian Security Bug Tracker

security-tracker.debian.org

github.com/pires/go-proxyproto

denial of service

proxy protocol header

unix

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

55.8%

JSON

The package github.com/pires/go-proxyproto before 0.6.0 are vulnerable to Denial of Service (DoS) via creating connections without the proxy protocol header.

OSVersionArchitecturePackageVersionFilename
Debian12allgolang-github-pires-go-proxyproto< 0.4.2-2golang-github-pires-go-proxyproto_0.4.2-2_all.deb
Debian11allgolang-github-pires-go-proxyproto<= 0.4.2-1golang-github-pires-go-proxyproto_0.4.2-1_all.deb
Debian999allgolang-github-pires-go-proxyproto< 0.4.2-2golang-github-pires-go-proxyproto_0.4.2-2_all.deb
Debian13allgolang-github-pires-go-proxyproto< 0.4.2-2golang-github-pires-go-proxyproto_0.4.2-2_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	golang-github-pires-go-proxyproto	< 0.4.2-2	golang-github-pires-go-proxyproto_0.4.2-2_all.deb
Debian	11	all	golang-github-pires-go-proxyproto	<= 0.4.2-1	golang-github-pires-go-proxyproto_0.4.2-1_all.deb
Debian	999	all	golang-github-pires-go-proxyproto	< 0.4.2-2	golang-github-pires-go-proxyproto_0.4.2-2_all.deb
Debian	13	all	golang-github-pires-go-proxyproto	< 0.4.2-2	golang-github-pires-go-proxyproto_0.4.2-2_all.deb

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

55.8%

JSON

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