CVE-2018-1116
First published: Tue Jul 10 2018(Updated: )
A flaw was found in polkit before version 0.116. The implementation of the polkit_backend_interactive_authority_check_authorization function in polkitd allows to test for authentication and trigger authentication of unrelated processes owned by other users. This may result in a local DoS and information disclosure.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Debian Debian Linux | =8.0 | |
| Canonical Ubuntu Linux | =12.04 | |
| Polkit Project Polkit | <0.115 | |
| IBM Data Risk Manager | <=2.0.6 | |
| debian/policykit-1 | 0.105-31+deb11u1 122-3 125-2 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1116
- https://cgit.freedesktop.org/polkit/commit/?id=bc7ffad5364
- https://usn.ubuntu.com/3717-2/
- https://lists.debian.org/debian-lts-announce/2018/07/msg00042.html
- https://security.gentoo.org/glsa/201908-14
- https://launchpad.net/bugs/cve/CVE-2018-1116
- https://exchange.xforce.ibmcloud.com/vulnerabilities/146202
- https://www.ibm.com/support/pages/node/6335281 (Advisory)
- https://cgit.freedesktop.org/polkit/commit/?id=bc7ffad53643a9c80231fc41f5582d6a8931c32c
- https://lists.freedesktop.org/archives/polkit-devel/2018-July/000583.html
- https://bugzilla.suse.com/show_bug.cgi?id=1099031
- https://security-tracker.debian.org/tracker/CVE-2018-1116
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1116
- https://nvd.nist.gov/vuln/detail/CVE-2018-1116
- https://ubuntu.com/security/CVE-2018-1116
Frequently Asked Questions
What is the vulnerability ID for this flaw in polkit?
The vulnerability ID for this flaw in polkit is CVE-2018-1116.
What is the severity rating of CVE-2018-1116?
CVE-2018-1116 has a severity rating of 7.7 (high).
What is the affected software for CVE-2018-1116?
The affected software for CVE-2018-1116 includes policykit-1 versions 0.105-21, 0.105-4ubuntu3.14.04.2, 0.105-14.1ubuntu0.1, 0.105-18ubuntu0.1, 0.105-20ubuntu0.18.04.1, and IBM Data Risk Manager versions up to 2.0.6.
How can a local attacker exploit CVE-2018-1116?
A local attacker can exploit CVE-2018-1116 by sending a specially-crafted request to the polkitd service, causing a denial of service or obtaining sensitive information.
Is there a fix available for CVE-2018-1116?
Yes, a fix is available for CVE-2018-1116. Please refer to the provided references for more information.
- agent/weakness
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- source/Ubuntu
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/8.0
- vendor/canonical
- canonical/canonical ubuntu linux
- version/canonical ubuntu linux/12.04
- vendor/polkit project
- canonical/polkit project polkit
- vendor/ibm
- canonical/ibm data risk manager
- version/ibm data risk manager/2.0.6
- package-manager/debian