CVE-2021-20193

CVSS V2 Medium 4.3 CVSS V3 Medium 5.5
Description
A flaw was found in the src/list.c of tar 1.33 and earlier. This flaw allows an attacker who can submit a crafted input file to tar to cause uncontrolled consumption of memory. The highest threat from this vulnerability is to system availability.
Overview
  • CVE ID
  • CVE-2021-20193
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-03-26T17:15:12
  • Last Modified Date
  • 2021-06-03T18:53:09
Weakness Enumerations
CWE URL
CWE-125 http://cwe.mitre.org/data/definitions/125.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:gnu:tar:*:*:*:*:*:*:*:* 1 OR 1.33
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://savannah.gnu.org/bugs/?59897 Issue Tracking Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1917565 Issue Tracking Patch Third Party Advisory
https://git.savannah.gnu.org/cgit/tar.git/commit/?id=d9d4435692150fa8ff68e1b1a473d187cc3fd777 Mailing List Patch Third Party Advisory
https://security.gentoo.org/glsa/202105-29 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-20193
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20193
History
Created Old Value New Value Data Type Notes
2022-05-10 16:13:39 Added to TrackCVE
2022-12-06 00:31:06 2021-03-26T17:15Z 2021-03-26T17:15:12 CVE Published Date updated
2022-12-06 00:31:06 2021-06-03T18:53:09 CVE Modified Date updated
2022-12-06 00:31:06 Analyzed Vulnerability Status updated