CVE-2015-8025
What it is
driver/subprocs.c in XScreenSaver before 5.34 does not properly perform an internal consistency check, which allows physically proximate attackers to bypass the lock screen by hot swapping monitors.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. Limited direct impact.
- Exploit odds
- 0.5% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.5% in the next 30 days (EPSS).
- Severity: 2.1 LOW (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 0.5% · EPSS, next 30 days
- Weakness
- CWE-264
- Record status
- Modified
Affected
- Canonical Ubuntu Linux 12.04
- Xscreensaver Project Xscreensaver 5.33
Attack profile CVSS 2.0 · 2.1
- Attack vector
- Local
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- Partial
- Availability
- None
Raw vector
AV:L/AC:L/Au:N/C:N/I:P/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2015-8025.md and follow it. Check whether this project is affected by CVE-2015-8025. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
References
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00102.html
- http://www.debian.org/security/2016/dsa-3438
- http://www.openwall.com/lists/oss-security/2015/10/24/2
- http://www.openwall.com/lists/oss-security/2015/10/25/1
- http://www.openwall.com/lists/oss-security/2015/10/29/12
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- http://www.securitytracker.com/id/1034052
- http://www.ubuntu.com/usn/USN-2789-1
- https://twitter.com/Thaolia/status/656823859304398848
- https://www.jwz.org/blog/2015/10/xscreensaver-5-34/
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00102.html
- http://www.debian.org/security/2016/dsa-3438
- http://www.openwall.com/lists/oss-security/2015/10/24/2
- http://www.openwall.com/lists/oss-security/2015/10/25/1
- http://www.openwall.com/lists/oss-security/2015/10/29/12
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- http://www.securitytracker.com/id/1034052
- http://www.ubuntu.com/usn/USN-2789-1
- https://twitter.com/Thaolia/status/656823859304398848
- https://www.jwz.org/blog/2015/10/xscreensaver-5-34/