Permissions, Privileges, and Access Controls in Ruby - CVE-2011-1005
Published: March 2, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU45263
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-1005
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Ruby
Affected software:
Ruby
Ruby
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to manipulate data.
The safe-level feature in Ruby 1.8.6 through 1.8.6-420, 1.8.7 through 1.8.7-330, and 1.8.8dev allows context-dependent attackers to modify strings via the Exception#to_s method, as demonstrated by changing an intended pathname.
How to mitigate CVE-2011-1005
Install update from vendor's website.
Sources
- http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054422.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054436.html
- http://osvdb.org/70957
- http://secunia.com/advisories/43420
- http://secunia.com/advisories/43573
- http://support.apple.com/kb/HT5281
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:097
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:098
- http://www.openwall.com/lists/oss-security/2011/02/21/2
- http://www.openwall.com/lists/oss-security/2011/02/21/5
- http://www.redhat.com/support/errata/RHSA-2011-0908.html
- http://www.redhat.com/support/errata/RHSA-2011-0909.html
- http://www.redhat.com/support/errata/RHSA-2011-0910.html
- http://www.ruby-lang.org/en/news/2011/02/18/exception-methods-can-bypass-safe/
- http://www.securityfocus.com/bid/46458
- http://www.vupen.com/english/advisories/2011/0539
- https://bugzilla.redhat.com/show_bug.cgi?id=678920