CVE-2016-3697
libcontainer/user/user.go in runC before 0.1.0, as used in Docker before 1.11.2, improperly treats a numeric UID as a potential username, which allows local users to gain privileges via a numeric username in the password file in a container.
02 / AFFECTED SOFTWARE
Affected packages
9 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
libcontainer/user/user.go in runC before 0.1.0, as used in Docker before 1.11.2, improperly treats a numeric UID as a potential username, which allows local users to gain privileges via a numeric username in the password file in a container.
GetExecUser in the github.com/opencontainers/runc/libcontainer/user package will improperly interpret numeric UIDs as usernames. If the method is used without verifying that usernames are formatted as expected, it may allow a user to gain unexpected privileges.
libcontainer/user/user.go in runC before 0.1.0, as used in Docker before 1.11.2, improperly treats a numeric UID as a potential username, which allows local users to gain privileges via a numeric username in the password file in a container.
05 / REFERENCES
Further evidence
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00111.html
- http://rhn.redhat.com/errata/RHSA-2016-1034.html
- http://rhn.redhat.com/errata/RHSA-2016-2634.html
- https://github.com/docker/docker/issues/21436
- https://github.com/opencontainers/runc/commit/69af385de62ea68e2e608335cffbb0f4aa3db091
- https://github.com/opencontainers/runc/pull/708
- https://github.com/opencontainers/runc/releases/tag/v0.1.0
- https://security.gentoo.org/glsa/201612-28
- https://github.com/opencontainers/runc
- https://lists.opensuse.org/opensuse-updates/2016-05/msg00111.html
- https://nvd.nist.gov/vuln/detail/CVE-2016-3697
- https://pkg.go.dev/vuln/GO-2021-0070
- https://rhn.redhat.com/errata/RHSA-2016-1034.html
- https://rhn.redhat.com/errata/RHSA-2016-2634.html