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4 vulnerabilities by xscreensaver_project

CVE-2021-34557 (GCVE-0-2021-34557)

Vulnerability from cvelistv5 – Published: 2021-06-10 15:54 – Updated: 2024-08-04 00:12
VLAI?
Summary
XScreenSaver 5.45 can be bypassed if the machine has more than ten disconnectable video outputs. A buffer overflow in update_screen_layout() allows an attacker to bypass the standard screen lock authentication mechanism by crashing XScreenSaver. The attacker must physically disconnect many video outputs.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
Show details on NVD website

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CVE-2021-31523 (GCVE-0-2021-31523)

Vulnerability from cvelistv5 – Published: 2021-04-21 18:41 – Updated: 2024-08-03 23:03
VLAI?
Summary
The Debian xscreensaver 5.42+dfsg1-1 package for XScreenSaver has cap_net_raw enabled for the /usr/libexec/xscreensaver/sonar file, which allows local users to gain privileges because this is arguably incompatible with the design of the Mesa 3D Graphics library dependency.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
Show details on NVD website

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CVE-2011-2187 (GCVE-0-2011-2187)

Vulnerability from cvelistv5 – Published: 2019-11-27 17:28 – Updated: 2024-08-06 22:53
VLAI?
Summary
xscreensaver before 5.14 crashes during activation and leaves the screen unlocked when in Blank Only Mode and when DPMS is disabled, which allows local attackers to access resources without authentication.
Severity ?
No CVSS data available.
CWE
  • exits when activated (DPMSForceLevel)
Assigner
Impacted products
Vendor Product Version
xscreensaver xscreensaver Affected: before 5.14
Create a notification for this product.
Show details on NVD website

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CVE-2015-8025 (GCVE-0-2015-8025)

Vulnerability from cvelistv5 – Published: 2015-11-10 16:00 – Updated: 2024-08-06 08:06
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
Show details on NVD website

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