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CVE-2011-1005

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.

Published

2011-03-02T20:00:01.880

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	ruby-lang	ruby	1.8.6	Yes
Application	ruby-lang	ruby	1.8.6-420	Yes
Application	ruby-lang	ruby	1.8.7	Yes
Application	ruby-lang	ruby	1.8.7-330	Yes
Application	ruby-lang	ruby	1.8.8	Yes

References

http://lists.apple.com/archives/security-announce/2012/May/msg00001.html ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054422.html ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054436.html ([email protected])
http://osvdb.org/70957 ([email protected])
http://secunia.com/advisories/43420 ([email protected])
http://secunia.com/advisories/43573 ([email protected])
http://support.apple.com/kb/HT5281 ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2011:097 ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2011:098 ([email protected])
http://www.openwall.com/lists/oss-security/2011/02/21/2 Patch ([email protected])
http://www.openwall.com/lists/oss-security/2011/02/21/5 Patch ([email protected])
http://www.redhat.com/support/errata/RHSA-2011-0908.html ([email protected])
http://www.redhat.com/support/errata/RHSA-2011-0909.html ([email protected])
http://www.redhat.com/support/errata/RHSA-2011-0910.html ([email protected])
http://www.ruby-lang.org/en/news/2011/02/18/exception-methods-can-bypass-safe/ Exploit, Patch, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/46458 ([email protected])
http://www.vupen.com/english/advisories/2011/0539 ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=678920 Patch ([email protected])
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054422.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054436.html (af854a3a-2127-422b-91ae-364da2661108)
http://osvdb.org/70957 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/43420 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/43573 (af854a3a-2127-422b-91ae-364da2661108)
http://support.apple.com/kb/HT5281 (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2011:097 (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2011:098 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2011/02/21/2 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2011/02/21/5 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2011-0908.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2011-0909.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2011-0910.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.ruby-lang.org/en/news/2011/02/18/exception-methods-can-bypass-safe/ Exploit, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/46458 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2011/0539 (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=678920 Patch (af854a3a-2127-422b-91ae-364da2661108)