Vulnerability CVE-2012-4464
Published: 2013-04-25   Modified: 2013-04-26

Description:
Ruby 1.9.3 before patchlevel 286 and 2.0 before revision r37068 allows context-dependent attackers to bypass safe-level restrictions and modify untainted strings via the (1) exc_to_s or (2) name_err_to_s API function, which marks the string as tainted, a different vulnerability than CVE-2012-4466. NOTE: this issue might exist because of a CVE-2011-1005 regression.

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Ruby-lang2000 -> RUBY 
Ruby-lang -> RUBY 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=862598
http://www.ruby-lang.org/en/news/2012/10/12/cve-2012-4464-cve-2012-4466/
http://www.openwall.com/lists/oss-security/2012/10/03/9
http://www.openwall.com/lists/oss-security/2012/10/02/4
http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=37068
Copyright 2024, cxsecurity.com

 

Back to Top