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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2022-41716
HistoryNov 02, 2022 - 4:15 p.m.

CVE-2022-41716

2022-11-0216:15:11
Debian Security Bug Tracker
security-tracker.debian.org
51
cve-2022-41716
environment variables
windows
syscall.startprocess
os/exec.cmd
nul values
malicious
exploit

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

0.001 Low

EPSS

Percentile

42.1%

Due to unsanitized NUL values, attackers may be able to maliciously set environment variables on Windows. In syscall.StartProcess and os/exec.Cmd, invalid environment variable values containing NUL values are not properly checked for. A malicious environment variable value can exploit this behavior to set a value for a different environment variable. For example, the environment variable string โ€œA=B\x00C=Dโ€ sets the variables โ€œA=Bโ€ and โ€œC=Dโ€.

OSVersionArchitecturePackageVersionFilename
Debian11allgolang-1.15<=ย 1.15.15-1~deb11u4golang-1.15_1.15.15-1~deb11u4_all.deb
Debian12allgolang-1.19<ย 1.19.3-1golang-1.19_1.19.3-1_all.deb

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

0.001 Low

EPSS

Percentile

42.1%