Arbitrary Command Injection Affecting sudo package, versions <1.8.9p5-1ubuntu1.5+esm5
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-UBUNTU1404-SUDO-406981
- published29 May 2018
- disclosed29 May 2018
Introduced: 29 May 2018
CVE-2016-7076 (opens in a new tab)How to fix?
Upgrade Ubuntu:14.04 sudo to version 1.8.9p5-1ubuntu1.5+esm5 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream sudo package and not the sudo package as distributed by Ubuntu.
See How to fix? for Ubuntu:14.04 relevant fixed versions and status.
sudo before version 1.8.18p1 is vulnerable to a bypass in the sudo noexec restriction if application run via sudo executed wordexp() C library function with a user supplied argument. A local user permitted to run such application via sudo with noexec restriction could possibly use this flaw to execute arbitrary commands with elevated privileges.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-7076
- https://www.sudo.ws/alerts/noexec_wordexp.html
- https://security-tracker.debian.org/tracker/CVE-2016-7076
- https://security.netapp.com/advisory/ntap-20181127-0002/
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7076
- http://rhn.redhat.com/errata/RHSA-2016-2872.html
- http://www.securityfocus.com/bid/95778
- https://usn.ubuntu.com/3968-3/
- https://usn.ubuntu.com/3968-1/