CVE-2021-3998

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-3998
A flaw was found in glibc. The realpath() function can mistakenly return an unexpected value, potentially leading to information leakage and disclosure of sensitive data.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://access.redhat.com/security/cve/CVE-2021-3998 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2024633 Issue Tracking Patch Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2021-3998 Third Party Advisory
https://security.netapp.com/advisory/ntap-20221020-0003/ Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=28770 Issue Tracking Patch Third Party Advisory
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=84d2d0fe20bdf94feed82b21b4d7d136db471f03
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=ee8d5e33adb284601c00c94687bc907e10aec9bb
https://www.openwall.com/lists/oss-security/2022/01/24/4 Mailing List Patch Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*
History

12 Feb 2023, 23:43

Type Values Removed Values Added
References
  • {'url': 'https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=84d2d0fe20bdf94feed82b21b4d7d136db471f03', 'name': 'https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=84d2d0fe20bdf94feed82b21b4d7d136db471f03', 'tags': ['Mailing List', 'Patch', 'Third Party Advisory'], 'refsource': 'MISC'}
  • {'url': 'https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ee8d5e33adb284601c00c94687bc907e10aec9bb', 'name': 'https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ee8d5e33adb284601c00c94687bc907e10aec9bb', 'tags': ['Mailing List', 'Patch', 'Third Party Advisory'], 'refsource': 'MISC'}
  • (MISC) https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=84d2d0fe20bdf94feed82b21b4d7d136db471f03 -
  • (MISC) https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=ee8d5e33adb284601c00c94687bc907e10aec9bb -

08 Nov 2022, 02:25

Type Values Removed Values Added
References (CONFIRM) https://security.netapp.com/advisory/ntap-20221020-0003/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20221020-0003/ - Third Party Advisory
CPE cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
First Time Netapp h500s
Netapp h700s
Netapp h300s
Netapp h410c
Netapp h410c Firmware
Netapp h410s Firmware
Netapp
Netapp h300s Firmware
Netapp h700s Firmware
Netapp ontap Select Deploy Administration Utility
Netapp h410s
Netapp h500s Firmware

20 Oct 2022, 22:15

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20221020-0003/ -
CWE CWE-252 CWE-125

29 Aug 2022, 15:23

Type Values Removed Values Added
First Time Gnu glibc
Gnu
CWE CWE-252
CPE cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5
References (MISC) https://access.redhat.com/security/cve/CVE-2021-3998 - (MISC) https://access.redhat.com/security/cve/CVE-2021-3998 - Third Party Advisory
References (MISC) https://sourceware.org/bugzilla/show_bug.cgi?id=28770 - (MISC) https://sourceware.org/bugzilla/show_bug.cgi?id=28770 - Issue Tracking, Patch, Third Party Advisory
References (MISC) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=84d2d0fe20bdf94feed82b21b4d7d136db471f03 - (MISC) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=84d2d0fe20bdf94feed82b21b4d7d136db471f03 - Mailing List, Patch, Third Party Advisory
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2024633 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2024633 - Issue Tracking, Patch, Third Party Advisory
References (MISC) https://www.openwall.com/lists/oss-security/2022/01/24/4 - (MISC) https://www.openwall.com/lists/oss-security/2022/01/24/4 - Mailing List, Patch, Third Party Advisory
References (MISC) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ee8d5e33adb284601c00c94687bc907e10aec9bb - (MISC) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ee8d5e33adb284601c00c94687bc907e10aec9bb - Mailing List, Patch, Third Party Advisory
References (MISC) https://security-tracker.debian.org/tracker/CVE-2021-3998 - (MISC) https://security-tracker.debian.org/tracker/CVE-2021-3998 - Third Party Advisory

24 Aug 2022, 16:24

Type Values Removed Values Added
New CVE
Information

Published : 2022-08-24 16:15

Updated : 2023-12-10 14:35

NVD link : CVE-2021-3998

Mitre link : CVE-2021-3998

CVE.ORG link : CVE-2021-3998

JSON object : View

Products Affected

netapp

  • h700s_firmware
  • h700s
  • h300s_firmware
  • h410c
  • h410s
  • h500s_firmware
  • ontap_select_deploy_administration_utility
  • h410s_firmware
  • h500s
  • h410c_firmware
  • h300s

gnu

  • glibc
CWE
CWE-125

Out-of-bounds Read

CWE-252

Unchecked Return Value