ISOMAN

CVE

CVE-2021-44730

snapd 2.54.2 did not properly validate the location of the snap-confine binary. A local attacker who can hardlink this binary to another location to cause snap-confine to execute other arbitrary binaries and hence gain privilege escalation. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1

Severity
HIGH
CVSS
7.8
Published
Modified
NVD detailAll CVEs

Linked Releases

DistributionReleaseStatusEvidence
Ubuntu20.04.6 amd64 desktopunknownsource
Ubuntu20.04.6 amd64 live-serverunknownsource
Ubuntu18.04.6 amd64 desktopunknownsource
Ubuntu18.04.6 amd64 live-serverunknownsource

References

  1. http://www.openwall.com/lists/oss-security/2022/02/18/2
  2. http://www.openwall.com/lists/oss-security/2022/02/23/1
  3. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QTBN7LLZISXIA4KU4UKDR27Q5PXDS2U/
  4. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCGHG6LJAVJJ72TMART6A7N4Z6MSTGI7/
  5. https://ubuntu.com/security/notices/USN-5292-1
  6. https://www.debian.org/security/2022/dsa-5080
  7. http://www.openwall.com/lists/oss-security/2022/02/18/2
  8. http://www.openwall.com/lists/oss-security/2022/02/23/1
  9. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QTBN7LLZISXIA4KU4UKDR27Q5PXDS2U/
  10. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCGHG6LJAVJJ72TMART6A7N4Z6MSTGI7/
  11. https://ubuntu.com/security/notices/USN-5292-1
  12. https://www.debian.org/security/2022/dsa-5080