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Mandriva Linux Security Advisory : ruby (MDVSA-2008:140)
critical Nessus Plugin ID 36689
Synopsis
The remote Mandriva Linux host is missing one or more security updates.Description
Multiple vulnerabilities have been found in the Ruby interpreter and in Webrick, the webserver bundled with Ruby.Directory traversal vulnerability in WEBrick in Ruby 1.9.0 and earlier, when using NTFS or FAT filesystems, allows remote attackers to read arbitrary CGI files via a trailing (1) + (plus), (2) %2b (encoded plus), (3) . (dot), (4) %2e (encoded dot), or (5) %20 (encoded space) character in the URI, possibly related to the WEBrick::HTTPServlet::FileHandler and WEBrick::HTTPServer.new functionality and the :DocumentRoot option. (CVE-2008-1891)
Multiple integer overflows in the rb_str_buf_append function in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, 1.8.7 before 1.8.7-p22, and 1.9.0 before 1.9.0-2 allow context-dependent attackers to execute arbitrary code or cause a denial of service via unknown vectors that trigger memory corruption.
(CVE-2008-2662)
Multiple integer overflows in the rb_ary_store function in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, and 1.8.7 before 1.8.7-p22 allow context-dependent attackers to execute arbitrary code or cause a denial of service via unknown vectors.
(CVE-2008-2663)
The rb_str_format function in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, 1.8.7 before 1.8.7-p22, and 1.9.0 before 1.9.0-2 allows context-dependent attackers to trigger memory corruption via unspecified vectors related to alloca. (CVE-2008-2664)
Integer overflow in the rb_ary_splice function in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, and 1.8.7 before 1.8.7-p22 allows context-dependent attackers to trigger memory corruption via unspecified vectors, aka the REALLOC_N variant.
(CVE-2008-2725)
Integer overflow in the rb_ary_splice function in Ruby 1.8.4 and earlier, 1.8.5 before 1.8.5-p231, 1.8.6 before 1.8.6-p230, 1.8.7 before 1.8.7-p22, and 1.9.0 before 1.9.0-2 allows context-dependent attackers to trigger memory corruption, aka the beg + rlen issue.
(CVE-2008-2726)
Integer overflow in the rb_ary_fill function in array.c in Ruby before revision 17756 allows context-dependent attackers to cause a denial of service (crash) or possibly have unspecified other impact via a call to the Array#fill method with a start (aka beg) argument greater than ARY_MAX_SIZE. (CVE-2008-2376)
The updated packages have been patched to fix these issues.
Solution
Update the affected packages.Plugin Details
Severity: Critical
ID: 36689
File Name: mandriva_MDVSA-2008-140.nasl
Version: 1.17
Type: local
Family: Mandriva Local Security Checks
Published: 4/23/2009
Updated: 1/6/2021
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 8.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Vulnerability Information
CPE: p-cpe:/a:mandriva:linux:ruby-tk, p-cpe:/a:mandriva:linux:ruby, p-cpe:/a:mandriva:linux:ruby-devel, cpe:/o:mandriva:linux:2008.1, p-cpe:/a:mandriva:linux:ruby-doc
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/Mandrake/release, Host/Mandrake/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 7/9/2008
Reference Information
CVE: CVE-2008-1891, CVE-2008-2376, CVE-2008-2662, CVE-2008-2663, CVE-2008-2664, CVE-2008-2725, CVE-2008-2726