CVEvulnerability
CVE-2021-3999
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-08-24
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-193
Description
A flaw was found in glibc. An off-by-one buffer overflow and underflow in getcwd() may lead to memory corruption when the size of the buffer is exactly 1. A local attacker who can control the input buffer and size passed to getcwd() in a setuid program could use this flaw to potentially execute arbitrary code and escalate their privileges on the system.
Affected configurations
• gnu glibc (< 2.31)
• debian debian linux 10.0
• debian debian linux 11.0
• netapp e-series performance analyzer
• netapp nfs plug-in
• netapp ontap select deploy administration utility
• netapp h300s firmware
• netapp h500s firmware
• netapp h700s firmware
• netapp h410s firmware
• netapp h410c firmware
Related
Weakness · CWE (1)
- CWE-193 Off-by-one Error weakness
References
- https://access.redhat.com/security/cve/CVE-2021-3999 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2024637 Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html Mailing List, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-3999 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221104-0001/ Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=28769 Issue Tracking, Third Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=23e0e8f5f1fb5ed150253d986ecccdc90c2dcd5e sourceware.org
- https://www.openwall.com/lists/oss-security/2022/01/24/4 Exploit, Mailing List, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-3999 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2024637 Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html Mailing List, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-3999 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221104-0001/ Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=28769 Issue Tracking, Third Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=23e0e8f5f1fb5ed150253d986ecccdc90c2dcd5e sourceware.org
- https://www.openwall.com/lists/oss-security/2022/01/24/4 Exploit, Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/html/ssa-831302.html cert-portal.siemens.com