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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-3998 Detail

Description

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 3.x Severity and Vector Strings:

NIST CVSS score
NIST: NVD
Base Score:  7.5 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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

Weakness Enumeration

CWE-ID CWE Name Source
CWE-252 Unchecked Return Value cwe source acceptance level NIST  
CWE-125 Out-of-bounds Read Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
   Show Matching CPE(s) 		From (including)
2.33		Up to (excluding)
2.35

Configuration 2 ( hide )
 cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
   Show Matching CPE(s)
Running on/with
 cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
   Show Matching CPE(s)
Running on/with
 cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 5 ( hide )
 cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
   Show Matching CPE(s)
Running on/with
 cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 6 ( hide )
 cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
   Show Matching CPE(s)
Running on/with
 cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 7 ( hide )
 cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
   Show Matching CPE(s)
Running on/with
 cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-3998
NVD Published Date:
08/24/2022
NVD Last Modified:
11/21/2024
Source:
Red Hat, Inc.