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
Configurations

Configuration 1 (hide)

cpe:2.3:a:canonical:snapd:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

Configuration 4 (hide)

OR cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

History

07 Nov 2023, 03:39

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XCGHG6LJAVJJ72TMART6A7N4Z6MSTGI7/', 'name': 'FEDORA-2022-5df8b52ba4', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3QTBN7LLZISXIA4KU4UKDR27Q5PXDS2U/', 'name': 'FEDORA-2022-82bea71e5a', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QTBN7LLZISXIA4KU4UKDR27Q5PXDS2U/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCGHG6LJAVJJ72TMART6A7N4Z6MSTGI7/ -

28 Feb 2022, 17:00

Type Values Removed Values Added
References (MLIST) http://www.openwall.com/lists/oss-security/2022/02/23/1 - (MLIST) http://www.openwall.com/lists/oss-security/2022/02/23/1 - Mailing List, Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2022/02/18/2 - (MLIST) http://www.openwall.com/lists/oss-security/2022/02/18/2 - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3QTBN7LLZISXIA4KU4UKDR27Q5PXDS2U/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3QTBN7LLZISXIA4KU4UKDR27Q5PXDS2U/ - Mailing List, Third Party Advisory
References (MISC) https://ubuntu.com/security/notices/USN-5292-1 - (MISC) https://ubuntu.com/security/notices/USN-5292-1 - Patch, Vendor Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XCGHG6LJAVJJ72TMART6A7N4Z6MSTGI7/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XCGHG6LJAVJJ72TMART6A7N4Z6MSTGI7/ - Mailing List, Third Party Advisory
References (DEBIAN) https://www.debian.org/security/2022/dsa-5080 - (DEBIAN) https://www.debian.org/security/2022/dsa-5080 - Issue Tracking, Third Party Advisory
CWE CWE-59
First Time Canonical ubuntu Linux
Debian debian Linux
Fedoraproject fedora
Canonical
Canonical snapd
Debian
Fedoraproject
CPE cpe:2.3:a:canonical:snapd:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
CVSS v2 : unknown
v3 : unknown
v2 : 6.9
v3 : 8.8

24 Feb 2022, 15:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2022/02/23/1 -

21 Feb 2022, 11:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2022/dsa-5080 -

20 Feb 2022, 03:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XCGHG6LJAVJJ72TMART6A7N4Z6MSTGI7/ -
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3QTBN7LLZISXIA4KU4UKDR27Q5PXDS2U/ -

18 Feb 2022, 10:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2022/02/18/2 -

17 Feb 2022, 23:15

Type Values Removed Values Added
New CVE

Information

Published : 2022-02-17 23:15

Updated : 2023-12-10 14:22


NVD link : CVE-2021-44730

Mitre link : CVE-2021-44730

CVE.ORG link : CVE-2021-44730


JSON object : View

Products Affected

canonical

  • ubuntu_linux
  • snapd

debian

  • debian_linux

fedoraproject

  • fedora
CWE
CWE-59

Improper Link Resolution Before File Access ('Link Following')