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GoogleOSV:CVE-2021-44730HistoryFeb 17, 2022 - 11:15 p.m.
CVE-2021-44730
2022-02-1723:15:07
Google
osv.dev
10
snapd
privilege escalation
vulnerability
fixed
software
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
References
www.openwall.com/lists/oss-security/2022/02/18/2
www.openwall.com/lists/oss-security/2022/02/23/1
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QTBN7LLZISXIA4KU4UKDR27Q5PXDS2U/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCGHG6LJAVJJ72TMART6A7N4Z6MSTGI7/
ubuntu.com/security/notices/USN-5292-1
www.debian.org/security/2022/dsa-5080
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