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GLSA-200606-01 : Opera: Buffer overflow

medium Nessus Plugin ID 21663

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-200606-01 (Opera: Buffer overflow)

 SEC Consult has discovered a buffer overflow in the code processing style sheet attributes. It is caused by an integer signedness error in a length check followed by a call to a string function. It seems to be hard to exploit this buffer overflow to execute arbitrary code because of the very large amount memory that has to be copied.
 Impact :

 A remote attacker can entice a user to visit a web page containing a specially crafted style sheet attribute that will crash the user's browser and maybe lead to the execution of arbitrary code.
 Workaround :

 There is no known workaround at this time.

Solution

All Opera users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=www-client/opera-8.54'

See Also

https://security.gentoo.org/glsa/200606-01

Plugin Details

Severity: Medium

ID: 21663

File Name: gentoo_GLSA-200606-01.nasl

Version: 1.14

Type: local

Published: 6/8/2006

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.3

CVSS v2

Risk Factor: Medium

Base Score: 5.1

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:opera, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Patch Publication Date: 6/7/2006

Vulnerability Publication Date: 4/13/2006

Reference Information

CVE: CVE-2006-1834

GLSA: 200606-01