Description (CNA)
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
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Canonical Ltd. / snapd | affected unspecified through 2.54.2 |
CWE
CWE-59
References
- https://ubuntu.com/security/notices/USN-5292-1
- http://www.openwall.com/lists/oss-security/2022/02/18/2
- 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/
- https://www.debian.org/security/2022/dsa-5080
- http://www.openwall.com/lists/oss-security/2022/02/23/1
ADP enrichment
No English description supplied.
- https://ubuntu.com/security/notices/USN-5292-1
- http://www.openwall.com/lists/oss-security/2022/02/18/2
- 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/
- https://www.debian.org/security/2022/dsa-5080
- http://www.openwall.com/lists/oss-security/2022/02/23/1