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Servers and applications

CVE-2012-4522

The rb_get_path_check function in file.c in Ruby 1.9.3 before patchlevel 286 and Ruby 2.0.0 before r37163 allows context-dependent attackers to create files in unexpected locations or with unexpected names via a NUL byte in a file path.

Severity
Medium 5.0
Published
24 Nov 2012
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
2.2% in the next 30 daysHigher than 82% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-264
Attack
Over the network · No login needed
Attacker can
Change some data
CVSS vector
AV:N/AC:L/Au:N/C:N/I:P/A:N
Sources
NVD

Affected software

SoftwareAffected versions
RubyServers and applications · cpe:a:ruby-lang:ruby
  • Version 1.9.3
  • Version 2.0.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-4522
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-4522