RHSA-2023:2898

Vulnerability from csaf_opensuse - Published: 2023-05-16 00:00 - Updated: 2026-09-20 11:28
Summary
security update for libtar
Severity
Low
Notes
Title of the patch: security update for libtar
Description of the patch: This security update provides a functional equivalent of RHSA-2023:2898. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2023:2898.
Patchnames: RHSA-2023:2898
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2021-33643
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Liberty Linux 8:libtar-0:1.2.20-17.el8.i686 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 8:libtar-0:1.2.20-17.el8.x86_64 —
Vendor Fix
Threats
Impact critical
CVE-2021-33644
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Affected products
Recommended 2 products, the same list as for CVE-2021-33643
Threats
Impact important
CVE-2021-33645
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 2 products, the same list as for CVE-2021-33643
Threats
Impact important
CVE-2021-33646
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 2 products, the same list as for CVE-2021-33643
Threats
Impact important
References
To clipboard 

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          "text": "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_longlink, causing an out-of-bounds read.",
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          "title": "CVE description"
        }
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    }
  ]
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.