CVE-2017-8422
high
CVSS v3
7.8
CVSS v4 NEW
—
VIR risk
8.8
Description
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.
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
KDE 4/5 - 'KAuth' Local Privilege Escalation
Source code queued for fetch — refresh in a moment.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 5.33.0-2 | |
| sles | affected | | |
| debian | bookworm | fixed | 5.28.0-2 |
| debian | bullseye | fixed | 5.28.0-2 |
| debian | forky | fixed | 5.28.0-2 |
| debian | sid | fixed | 5.28.0-2 |
| debian | trixie | fixed | 5.28.0-2 |
References
- https://security.archlinux.org/ASA-201705-12
- http://www.debian.org/security/2017/dsa-3849
- http://www.openwall.com/lists/oss-security/2017/05/10/3
- http://www.securityfocus.com/bid/98412
- http://www.securitytracker.com/id/1038480
- https://access.redhat.com/errata/RHSA-2017:1264
- https://bugzilla.redhat.com/show_bug.cgi?id=1449647
- https://cgit.kde.org/kauth.git/commit/?id=df875f725293af53399f5146362eb158b4f9216a
- https://cgit.kde.org/kdelibs.git/commit/?id=264e97625abe2e0334f97de17f6ffb52582888ab
- https://security.gentoo.org/glsa/201706-29
- https://www.exploit-db.com/exploits/42053/
- https://www.kde.org/info/security/advisory-20170510-1.txt
- https://www.suse.com/security/cve/CVE-2017-8422.html
- https://security-tracker.debian.org/tracker/CVE-2017-8422
CWEs
CWE-290
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.