Access Restriction Bypass Affecting hesiod package, versions <3.2.1-3.1~build0.16.04.1
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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Test your applications- Snyk IDSNYK-UBUNTU1604-HESIOD-291846
- published1 Mar 2017
- disclosed1 Mar 2017
Introduced: 1 Mar 2017
CVE-2016-10151 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 hesiod to version 3.2.1-3.1~build0.16.04.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream hesiod package and not the hesiod package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
The hesiod_init function in lib/hesiod.c in Hesiod 3.2.1 compares EUID with UID to determine whether to use configurations from environment variables, which allows local users to gain privileges via the (1) HESIOD_CONFIG or (2) HES_DOMAIN environment variable and leveraging certain SUID/SGUID binary.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-10151
- https://security-tracker.debian.org/tracker/CVE-2016-10151
- https://security.gentoo.org/glsa/201805-01
- https://github.com/achernya/hesiod/pull/9
- http://www.openwall.com/lists/oss-security/2017/01/21/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1332508
- http://www.securityfocus.com/bid/90952