Vulnerability DatabaseCVE-2012-0871
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CVE-2012-0871
Published:April 18, 2014
Updated:May 17, 2026
The session_link_x11_socket function in login/logind-session.c in systemd-logind in systemd, possibly 37 and earlier, allows local users to create or overwrite arbitrary files via a symlink attack on the X11 user directory in /run/user/.
Related Resources (5)
http://www.osvdb.org/79768
http://cgit.freedesktop.org/systemd/systemd/commit/?id=fc3c1c6e091ea16ad5600b145201ec535bbb5d7c
http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00030.html
https://bugzilla.redhat.com/show_bug.cgi?id=795853
https://bugzilla.novell.com/show_bug.cgi?id=747154
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CVSS v3
Base Score:
6.7
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
CVSS v2
Base Score:
6.3
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Weakness Type (CWE)
Improper Link Resolution Before File Access ('Link Following')
CWE-59
EPSS
Base Score:
0.12