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...

DEBIAN-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...

CVE-2021-44731

A race condition existed in the snapd 2.54.2 snap-confine binary when preparing a private mount namespace for a snap. This could allow a local attacker to gain root privileges by bind-mounting their own contents inside the snap's private mount namespace and causing snap-confine to execute arbitra...

Design/Logic Flaw

snapd 2.54.2 fails to perform sufficient validation of snap content interface and layout paths, resulting in the ability for snaps to inject arbitrary AppArmor policy rules via malformed content interface and layout declarations and hence escape strict snap confinement. Fixed in snapd versions...

CVE-2021-4120 snapd could be made to bypass intended access restrictions through snap content interfaces and layout paths

snapd 2.54.2 fails to perform sufficient validation of snap content interface and layout paths, resulting in the ability for snaps to inject arbitrary AppArmor policy rules via malformed content interface and layout declarations and hence escape strict snap confinement. Fixed in snapd versions...

CVE-2021-4120

CVE-2021-4120 affects snapd 2.54.2, where insufficient validation of snap content interface and layout paths allows a snap to inject arbitrary AppArmor policy rules and escape strict snap confinement. The underlying issue is in the content interface and layout declarations, enabling bypass of con...

CVE-2021-4120

snapd 2.54.2 fails to perform sufficient validation of snap content interface and layout paths, resulting in the ability for snaps to inject arbitrary AppArmor policy rules via malformed content interface and layout declarations and hence escape strict snap confinement. Fixed in snapd versions...

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...

CVE-2021-3155

snapd 2.54.2 and earlier created /snap directories in user home directories without specifying owner-only permissions. This could allow a local attacker to read information that should have been private. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1...

Oh Snap! More Lemmings: Local Privilege Escalation Vulnerability Discovered in snap-confine (CVE-2021-44731)

The Qualys Research Team has discovered multiple vulnerabilities in the snap-confine function on Linux operating systems, the most important of which can be exploited to escalate privilege to gain root privileges. Qualys recommends security teams apply patches for these vulnerabilities as soon as...

CVE-2021-44731

A race condition existed in the snapd 2.54.2 snap-confine binary when preparing a private mount namespace for a snap. This could allow a local attacker to gain root privileges by bind-mounting their own contents inside the snap's private mount namespace and causing snap-confine to execute arbitra...

UBUNTU-CVE-2021-44731

A race condition existed in the snapd 2.54.2 snap-confine binary when preparing a private mount namespace for a snap. This could allow a local attacker to gain root privileges by bind-mounting their own contents inside the snap's private mount namespace and causing snap-confine to execute arbitra...

UBUNTU-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...

PT-2022-1909 · Canonical +3 · Snapd +4

Name of the Vulnerable Software and Affected Versions: snapd versions 2.54.2 Description: The issue is related to a race condition in the snap-confine binary of the snapd utility, which can be exploited to gain root privileges by executing arbitrary code. This can be achieved by a local attacker...

PT-2022-1924

Name of the Vulnerable Software and Affected Versions snapd versions 2.54.2 through 2.54.3+18.04 snapd versions 2.54.2 through 2.54.3+20.04 snapd versions 2.54.2 through 2.54.3+21.10.1 Description The issue is related to a hardlinking error in the snap-confine binary of the snapd utility. A local...

CVE-2021-3155: Incorrect Default Permissions

snapd 2.54.2 and earlier created /snap directories in user home directories without specifying owner-only permissions. This could allow a local attacker to read information that should have been private. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1...

CVE-2021-44731: Concurrent Execution using Shared Resource with Improper Synchronization

A race condition existed in the snapd 2.54.2 snap-confine binary when preparing a private mount namespace for a snap. This could allow a local attacker to gain root privileges by bind-mounting their own contents inside the snap's private mount namespace and causing snap-confine to execute arbitra...

CVE-2021-44730: Improper Link Resolution Before File Access

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...

CVE-2021-44731

A race condition existed in the snapd 2.54.2 snap-confine binary when preparing a private mount namespace for a snap. This could allow a local attacker to gain root privileges by bind-mounting their own contents inside the snap's private mount namespace and causing snap-confine to execute arbitra...

CVE-2022-0307

Use after free in Optimization Guide in Google Chrome prior to 97.0.4692.99 allowed a remote attacker who convinced a user to engage in specific user interaction to potentially exploit heap corruption via a crafted HTML page...