Vulnerability CVE-2014-4994
Published: 2018-01-10

Description:
lib/gyazo/client.rb in the gyazo gem 1.0.0 for Ruby allows local users to write to arbitrary files via a symlink attack on a temporary file, related to time-based filenames.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Gyazo project -> Gyazo 

 References:
http://www.openwall.com/lists/oss-security/2014/07/07/13
http://www.openwall.com/lists/oss-security/2014/07/17/5
http://www.vapid.dhs.org/advisories/gyazo-1.0.0.html
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