Vulnerability Monitor

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CVE-2012-0871


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/.


Security Impact Summary

CVE-2012-0871 is a security vulnerability that . Impacting 2 products from systemd_project, from opensuse organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2014, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.


Published

2014-04-18T14:55:25.227

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.3 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:N/I:C/A:C

  • Access Vector: LOCAL
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.4

Impact Score

9.2

Weaknesses
  • Type: Primary
    CWE-59

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application systemd_project systemd ≤ 037 Yes
Application systemd_project systemd 1 Yes
Application systemd_project systemd 2 Yes
Application systemd_project systemd 3 Yes
Application systemd_project systemd 4 Yes
Application systemd_project systemd 5 Yes
Application systemd_project systemd 6 Yes
Application systemd_project systemd 7 Yes
Application systemd_project systemd 8 Yes
Application systemd_project systemd 9 Yes
Application systemd_project systemd 10 Yes
Application systemd_project systemd 11 Yes
Application systemd_project systemd 12 Yes
Application systemd_project systemd 13 Yes
Application systemd_project systemd 14 Yes
Application systemd_project systemd 15 Yes
Application systemd_project systemd 16 Yes
Application systemd_project systemd 17 Yes
Application systemd_project systemd 18 Yes
Application systemd_project systemd 19 Yes
Application systemd_project systemd 20 Yes
Application systemd_project systemd 21 Yes
Application systemd_project systemd 22 Yes
Application systemd_project systemd 23 Yes
Application systemd_project systemd 24 Yes
Application systemd_project systemd 25 Yes
Application systemd_project systemd 26 Yes
Application systemd_project systemd 27 Yes
Application systemd_project systemd 28 Yes
Application systemd_project systemd 29 Yes
Application systemd_project systemd 30 Yes
Application systemd_project systemd 31 Yes
Application systemd_project systemd 32 Yes
Application systemd_project systemd 33 Yes
Application systemd_project systemd 34 Yes
Application systemd_project systemd 35 Yes
Application systemd_project systemd 36 Yes
Operating System opensuse opensuse 12.1 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For systemd_project's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.