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CVE-2021-44731

🗓️ 17 Feb 2022 23:07:15Reported by canonicalType

cve🔗 web.nvd.nist.gov👁 191 Views🌐 2 Media mentions

A race condition in snapd 2.54.2 snap-confine binary allows local attacker to gain root privileges by bind-mounting their own contents inside snap's private mount namespace and causing snap-confine to execute arbitrary code

Reporter	Title	Published	Views	Family All 44
OSV	CVE-2021-44731	17 Feb 202223:15	–	osv
OSV	snapd - security update	18 Feb 202200:00	–	osv
OSV	snapd vulnerabilities	17 Feb 202217:24	–	osv
OSV	snapd regression	24 Feb 202213:23	–	osv
OSV	snapd vulnerabilities	18 Feb 202201:07	–	osv
OSV	snapd vulnerabilities	18 Feb 202202:21	–	osv
Cvelist	CVE-2021-44731 snapd could be made to escalate privileges and run programs as administrator	17 Feb 202200:00	–	cvelist
Hive Pro Threat Advisories	Privilege Escalation Vulnerability in Snap Package Manager puts Linux users at risk	21 Feb 202204:34	–	hivepro
Debian CVE	CVE-2021-44731	17 Feb 202223:15	–	debiancve
CNVD	snapd competition condition issue vulnerability	18 Feb 202200:00	–	cnvd

Nvd

Node

canonical snapdRange≤2.54.2

Node

canonical ubuntu_linuxMatch18.04lts

canonical ubuntu_linuxMatch20.04lts

canonical ubuntu_linuxMatch21.10

Node

fedoraproject fedoraMatch34

fedoraproject fedoraMatch35

Node

debian debian_linuxMatch10.0

debian debian_linuxMatch11.0

[
  {
    "vendor": "Canonical Ltd.",
    "product": "snapd",
    "versions": [
      {
        "version": "unspecified",
        "lessThanOrEqual": "2.54.2",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]

Source	Link
ubuntu	www.ubuntu.com/security/notices/USN-5292-1
seclists	www.seclists.org/fulldisclosure/2022/Dec/4
lists	www.lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCGHG6LJAVJJ72TMART6A7N4Z6MSTGI7/
lists	www.lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QTBN7LLZISXIA4KU4UKDR27Q5PXDS2U/
openwall	www.openwall.com/lists/oss-security/2022/11/30/2
openwall	www.openwall.com/lists/oss-security/2022/02/23/1
packetstormsecurity	www.packetstormsecurity.com/files/170176/snap-confine-must_mkdir_and_open_with_perms-Race-Condition.html
openwall	www.openwall.com/lists/oss-security/2022/02/23/2
debian	www.debian.org/security/2022/dsa-5080
openwall	www.openwall.com/lists/oss-security/2022/02/18/2

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17 Feb 2022 23:15Current

8.4High risk

Vulners AI Score8.4

CVSS26.9

CVSS37.8

EPSS0.001

CWE-362