CVE-2021-33644

Published on: Not Yet Published

Last Modified on: 09/16/2022 08:07:00 PM UTC

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Certain versions of Fedora from Fedoraproject contain the following vulnerability:

An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longname, causing an out-of-bounds read.

  • CVE-2021-33644 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 8.1 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE REQUIRED
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH NONE HIGH

CVE References

Description Tags Link
[SECURITY] Fedora 36 Update: libtar-1.2.20-25.fc36 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2022-50e8a1b51d
[SECURITY] Fedora 35 Update: libtar-1.2.20-25.fc35 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2022-fe1a4e3cf0
Security-bulletinDetail www.openeuler.org
text/html
URL Logo MISC www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1807
[SECURITY] Fedora 37 Update: libtar-1.2.20-25.fc37 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2022-44a20bba43

Related QID Numbers

  • 283086 Fedora Security Update for libtar (FEDORA-2022-fe1a4e3cf0)
  • 283087 Fedora Security Update for libtar (FEDORA-2022-50e8a1b51d)
  • 902716 Common Base Linux Mariner (CBL-Mariner) Security Update for libtar (10525)
  • 902736 Common Base Linux Mariner (CBL-Mariner) Security Update for libtar (10543)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
FedoraprojectFedora35AllAllAll
Operating
System
FedoraprojectFedora36AllAllAll
Operating
System
FedoraprojectFedora37AllAllAll
ApplicationFeepLibtarAllAllAllAll
Operating
System
HuaweiOpeneuler20.03sp1AllAll
Operating
System
HuaweiOpeneuler20.03sp3AllAll
Operating
System
HuaweiOpeneuler22.03AllAllAll
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*:
  • cpe:2.3:a:feep:libtar:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:huawei:openeuler:20.03:sp1:*:*:lts:*:*:*:
  • cpe:2.3:o:huawei:openeuler:20.03:sp3:*:*:lts:*:*:*:
  • cpe:2.3:o:huawei:openeuler:22.03:*:*:*:lts:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-33644 : An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigg… twitter.com/i/web/status/1… 2022-08-10 20:44:32
Twitter Icon @JohnJasonFallow New vulnerability on the NVD: CVE-2021-33644 ift.tt/LReMbzI 2022-08-10 22:11:45
Reddit Logo Icon /r/netcve CVE-2021-33644 2022-08-10 21:38:36
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