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CVE-2012-0871

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Date: April 18, 2014

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/.

Language: C

Severity Score

Related Resources (7)

http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00030.html
https://bugzilla.novell.com/show_bug.cgi?id=747154
https://bugzilla.redhat.com/show_bug.cgi?id=795853
http://cgit.freedesktop.org/systemd/systemd/commit/?id=fc3c1c6e091ea16ad5600b145201ec535bbb5d7c
http://www.osvdb.org/79768
https://nvd.nist.gov/vuln/detail/CVE-2012-0871
https://www.mend.io/vulnerability-database/CVE-2012-0871

Severity Score

Weakness Type (CWE)

Link Following

CWE-59

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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