CVE-2021-3999

CVSS V2 None CVSS V3 High 7.8
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.
Overview
  • CVE ID
  • CVE-2021-3999
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2022-08-24T16:15:09
  • Last Modified Date
  • 2023-02-12T23:43:11
Weakness Enumerations
CWE URL
CWE-193 http://cwe.mitre.org/data/definitions/193.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* 1 OR 2.31
AND
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:a:netapp:e-series_performance_analyzer:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:nfs_plug-in:*:*:*:*:*:vmware_vaai:*:* 1 OR
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* 0 OR
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://access.redhat.com/errata/RHSA-2022:0896
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
https://www.openwall.com/lists/oss-security/2022/01/24/4 Exploit Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-3999
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3999
History
Created Old Value New Value Data Type Notes
2022-08-24 17:00:13 Added to TrackCVE
2023-02-02 23:14:06 2023-02-02T21:21:39 CVE Modified Date updated
2023-02-02 23:14:06 Analyzed Modified Vulnerability Status updated
2023-02-02 23:14:08 References updated
2023-02-13 00:14:48 2023-02-12T23:43:11 CVE Modified Date updated