QID 670850

QID 670850: EulerOS Security Update for tar (EulerOS-SA-2021-1854)

The GNU tar program saves many files together in one archive and can restore individual files (or all of the files) from that archive. Tar can also be used to add supplemental files to an archive and to update or list files in the archive. Tar includes multivolume support, automatic archive compression/decompression, the ability to perform remote archives, and the ability to perform incremental and full backups. If you want to use tar for remote backups, you also need to install the rmt package on the remote box. Security Fix(es): 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.(CVE-2021-20193)
Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

An arbitrary attacker may exploit this vulnerability to compromise the system.

  • CVSS V3 rated as Medium - 5.5 severity.
  • CVSS V2 rated as Medium - 4.3 severity.
    • Solution
    The Vendor has released a security update to fix the vulnerability. For more information please visit EulerOS-SA-2021-1854 for updates and patch information
    Vendor References

    CVEs related to QID 670850

    CVE-2021-20193 |
    Software Advisories
    Advisory ID Software Component Link
    EulerOS-SA-2021-1854 EulerOS V2.0SP3 URL Logo developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2021-1854
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