Vulnerabilities > CVE-2021-3998
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
NONE Availability impact
NONE Summary
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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 2 | |
| Application | 1 | |
| OS | 5 | |
| Hardware | 5 |
References
- https://access.redhat.com/security/cve/CVE-2021-3998
- https://access.redhat.com/security/cve/CVE-2021-3998
- https://bugzilla.redhat.com/show_bug.cgi?id=2024633
- https://bugzilla.redhat.com/show_bug.cgi?id=2024633
- https://security.netapp.com/advisory/ntap-20221020-0003/
- https://security.netapp.com/advisory/ntap-20221020-0003/
- https://security-tracker.debian.org/tracker/CVE-2021-3998
- https://security-tracker.debian.org/tracker/CVE-2021-3998
- https://sourceware.org/bugzilla/show_bug.cgi?id=28770
- https://sourceware.org/bugzilla/show_bug.cgi?id=28770
- 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
- https://www.openwall.com/lists/oss-security/2022/01/24/4