CVE-2021-29923

2021-08-0717:15:00

Debian Security Bug Tracker

security-tracker.debian.org

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

60.5%

JSON

Go before 1.17 does not properly consider extraneous zero characters at the beginning of an IP address octet, which (in some situations) allows attackers to bypass access control that is based on IP addresses, because of unexpected octal interpretation. This affects net.ParseIP and net.ParseCIDR.

OSVersionArchitecturePackageVersionFilename
Debian10allgolang-1.11<= 1.11.6-1+deb10u4golang-1.11_1.11.6-1+deb10u4_all.deb
Debian11allgolang-1.15<= 1.15.15-1~deb11u4golang-1.15_1.15.15-1~deb11u4_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	10	all	golang-1.11	<= 1.11.6-1+deb10u4	golang-1.11_1.11.6-1+deb10u4_all.deb
Debian	11	all	golang-1.15	<= 1.15.15-1~deb11u4	golang-1.15_1.15.15-1~deb11u4_all.deb