CVE-2020-27534

NameCVE-2020-27534
Descriptionutil/binfmt_misc/check.go in Builder in Docker Engine before 19.03.9 calls os.OpenFile with a potentially unsafe qemu-check temporary pathname, constructed with an empty first argument in an ioutil.TempDir call.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
docker.io (PTS)buster18.09.1+dfsg1-7.1+deb10u2fixed
buster (security)18.09.1+dfsg1-7.1+deb10u3fixed
bullseye, sid20.10.5+dfsg1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
docker.iosource(unstable)(not affected)

Notes

- docker.io <not-affected> (Windows-specific)

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