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

Link	Resource
https://ubuntu.com/security/notices/USN-5292-1	Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2022/02/18/2	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XCGHG6LJAVJJ72TMART6A7N4Z6MSTGI7/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3QTBN7LLZISXIA4KU4UKDR27Q5PXDS2U/	Mailing List Third Party Advisory
https://www.debian.org/security/2022/dsa-5080	Issue Tracking Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/02/23/1	Mailing List Third Party Advisory

Configuration 1

cpe:2.3:a:canonical:snapd:*:*:*:*:*:*:*:* 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:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

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Published : 2022-02-17 11:15

Updated : 2022-02-28 05:00

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NVD link : CVE-2021-44730

Mitre link : CVE-2021-44730

No products.

CWE-59