Authentication Bypass Affecting kauth package, versions <5.18.0-0ubuntu2
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-KAUTH-266023
- published17 May 2017
- disclosed17 May 2017
Introduced: 17 May 2017
CVE-2017-8422 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 kauth to version 5.18.0-0ubuntu2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kauth package and not the kauth package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
KDE kdelibs before 4.14.32 and KAuth before 5.34 allow local users to gain root privileges by spoofing a callerID and leveraging a privileged helper app.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-8422
- https://cgit.kde.org/kauth.git/commit/?id=df875f725293af53399f5146362eb158b4f9216a
- https://cgit.kde.org/kdelibs.git/commit/?id=264e97625abe2e0334f97de17f6ffb52582888ab
- https://www.kde.org/info/security/advisory-20170510-1.txt
- http://www.debian.org/security/2017/dsa-3849
- https://security-tracker.debian.org/tracker/CVE-2017-8422
- https://www.exploit-db.com/exploits/42053/
- https://security.gentoo.org/glsa/201706-29
- http://www.openwall.com/lists/oss-security/2017/05/10/3
- https://bugzilla.redhat.com/show_bug.cgi?id=1449647
- https://access.redhat.com/errata/RHSA-2017:1264
- http://www.securityfocus.com/bid/98412
- http://www.securitytracker.com/id/1038480