Vulnerability Name:

CVE-2011-2187 (CCN-172516)

Assigned:2011-06-06
Published:2011-06-06
Updated:2020-08-18
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.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
5.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L)
4.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
3.6 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-306
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2011-2187

Source: MISC
Type: Third Party Advisory
https://access.redhat.com/security/cve/cve-2011-2187

Source: MISC
Type: Exploit, Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=627382

Source: MISC
Type: Exploit, Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2187

Source: XF
Type: UNKNOWN
xscreensaver-cve20112187-sec-bypass(172516)

Source: MISC
Type: Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2011-2187

Source: CCN
Type: xscreensaver Web site
xscreensaver

Source: MISC
Type: Release Notes, Vendor Advisory
https://www.jwz.org/xscreensaver/changelog.html

Source: CCN
Type: oss-sec Mailing List, Mon, 6 Jun 2011 13:51:29 -0400 (EDT)
Re: CVE Request -- xscreensaver -- exits when activated

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20110606 Re: CVE Request -- xscreensaver -- exits when activated

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2011-2187

Vulnerable Configuration:Configuration 1:
  • cpe:/a:xscreensaver_project:xscreensaver:*:*:*:*:*:*:*:* (Version < 5.14)

  • Configuration 2:
  • cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    xscreensaver_project xscreensaver *
    debian debian linux 8.0
    debian debian linux 9.0
    debian debian linux 10.0