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cveMitreCVE-2021-35942
HistoryJul 22, 2021 - 6:15 p.m.

CVE-2021-35942

2021-07-2218:15:23
CWE-190
mitre
web.nvd.nist.gov
284
8
cve-2021-35942
glibc
wordexp function
denial of service
disclosure of information
atoi
strtoul
nvd

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

AI Score

9.4

Confidence

High

EPSS

0.016

Percentile

87.6%

The wordexp function in the GNU C Library (aka glibc) through 2.33 may crash or read arbitrary memory in parse_param (in posix/wordexp.c) when called with an untrusted, crafted pattern, potentially resulting in a denial of service or disclosure of information. This occurs because atoi was used but strtoul should have been used to ensure correct calculations.

Affected configurations

Nvd
Node
gnuglibcRange<2.32
Node
netappactive_iq_unified_managerMatch-vmware_vsphere
OR
netappe-series_santricity_os_controllerRange11.011.70.1
OR
netapphci_management_nodeMatch-
OR
netappontap_select_deploy_administration_utilityMatch-
OR
netappsolidfireMatch-
Node
debiandebian_linuxMatch10.0
VendorProductVersionCPE
gnuglibc*cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
netappactive_iq_unified_manager-cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
netappe-series_santricity_os_controller*cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*
netapphci_management_node-cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
netappontap_select_deploy_administration_utility-cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
netappsolidfire-cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Social References

More

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

AI Score

9.4

Confidence

High

EPSS

0.016

Percentile

87.6%