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Mandriva Linux Security Advisory : ruby (MDVSA-2011:097)

medium Nessus Plugin ID 54626

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Synopsis

The remote Mandriva Linux host is missing one or more security updates.

Description

Multiple vulnerabilities have been identified and fixed in ruby :

Cross-site scripting (XSS) vulnerability in the WEBrick HTTP server in Ruby allows remote attackers to inject arbitrary web script or HTML via a crafted URI that triggers a UTF-7 error page (CVE-2010-0541).

The FileUtils.remove_entry_secure method in Ruby allows local users to delete arbitrary files via a symlink attack (CVE-2011-1004).

The safe-level feature in Ruby allows context-dependent attackers to modify strings via the Exception#to_s method, as demonstrated by changing an intended pathname (CVE-2011-1005).

The VpMemAlloc function in bigdecimal.c in the BigDecimal class in Ruby does not properly allocate memory, which allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving creation of a large BigDecimal value within a 64-bit process, related to an integer truncation issue. (CVE-2011-0188).

Packages for 2009.0 are provided as of the Extended Maintenance Program. Please visit this link to learn more:
http://store.mandriva.com/product_info.php?cPath=149 products_id=490

The updated packages have been patched to correct this issue.

Solution

Update the affected packages.

Plugin Details

Severity: Medium

ID: 54626

File Name: mandriva_MDVSA-2011-097.nasl

Version: 1.10

Type: local

Published: 5/24/2011

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.8

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Information

CPE: p-cpe:/a:mandriva:linux:ruby, p-cpe:/a:mandriva:linux:ruby-devel, p-cpe:/a:mandriva:linux:ruby-doc, p-cpe:/a:mandriva:linux:ruby-tk, cpe:/o:mandriva:linux:2009.0, cpe:/o:mandriva:linux:2010.1

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: 5/23/2011

Reference Information

CVE: CVE-2010-0541, CVE-2011-0188, CVE-2011-1004, CVE-2011-1005

BID: 40895, 46458, 46460, 46966

MDVSA: 2011:097