Lynx lynxcgi code execution

lynx-lynxcgi-code-execution (46228)

High Risk

Description:

Lynx could allow a remote attacker to execute arbitrary commands on the system, caused by an error in the lynxcgi: URI handler when running in Advanced user mode. By persuading a victim to follow a specially-crafted lynxcgi: URI, a remote attacker could execute arbitrary code with privileges of the victim.

*CVSS:

Base Score:	5.1
Access Vector:	Network
Access Complexity:	High
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	3.8
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

Apply the appropriate update for your system. See References.

References:

• Lynx Web page: Lynx.
• oss-security Mailing List, Thu, 9 Oct 2008 15:52:48 -0400 (EDT) : lynx lynxcgi handler flaw .
• ASA-2008-449: lynx security update (RHSA-2008-0965)
• CVE-2008-4690: lynx 2.8.6dev.15 and earlier, when advanced mode is enabled and lynx is configured as a URL handler, allows remote attackers to execute arbitrary commands via a crafted lynxcgi: URL, a related issue to CVE-2005-2929. NOTE: this might only be a vulnerability in limited deployments that have defined a lynxcgi: handler.
• GLSA-200909-15: Lynx: Arbitrary command execution
• MDVSA-2008:217: lynx
• MDVSA-2008:218: lynx
• RHSA-2008-0965: Important: lynx security update
• SECTRACK ID: 1021105: Lynx 'lynxcgi:' URL Handler Bug Lets Remote Users Execute Arbitrary Code
• SUSE-SR:2009:002: SUSE Security Summary Report

Platforms Affected:

• Gentoo Linux
• Lynx Lynx 2.8.1 Dev.5
• Lynx Lynx 2.8.1 Dev.6
• Lynx Lynx 2.8.1 Dev.7
• Lynx Lynx 2.8.1 Dev.1
• Lynx Lynx 2.8.1 Dev.2
• Lynx Lynx 2.8.1 Dev.3
• Lynx Lynx 2.8.1 Rel.2
• Lynx Lynx 2.8.1 Rel.1
• Lynx Lynx 2.8.1 Dev.19
• Lynx Lynx 2.8.1 Dev.18
• Lynx Lynx 2.8.1 Dev.17
• Lynx Lynx 2.8.1 Dev.16
• Lynx Lynx 2.8.1 Dev.23
• Lynx Lynx 2.8.1 Dev.22
• Lynx Lynx 2.8.1 Dev.21
• Lynx Lynx 2.8.1 Dev.20
• Lynx Lynx 2.8.1 Dev.11
• Lynx Lynx 2.8.1 Dev.10
• Lynx Lynx 2.8.1 Dev.9
• Lynx Lynx 2.8.1 Dev.8
• Lynx Lynx 2.8.1 Dev.15
• Lynx Lynx 2.8.1 Dev.14
• Lynx Lynx 2.8.1 Dev.13
• Lynx Lynx 2.8.1 Dev.12
• Lynx Lynx 2.8.1 Pre.6
• Lynx Lynx 2.8.1 Pre.7
• Lynx Lynx 2.8.1 Pre.4
• Lynx Lynx 2.8.1 Pre.5
• Lynx Lynx 2.8.1 Pre.10
• Lynx Lynx 2.8.1 Pre.11
• Lynx Lynx 2.8.1 Pre.8
• Lynx Lynx 2.8.1 Pre.9
• Lynx Lynx 2.8.1 Dev.27
• Lynx Lynx 2.8.1 Dev.28
• Lynx Lynx 2.8.1 Dev.24
• Lynx Lynx 2.8.1 Dev.26
• Lynx Lynx 2.8.1 Pre.2
• Lynx Lynx 2.8.1 Pre.3
• Lynx Lynx 2.8.1 Dev.29
• Lynx Lynx 2.8.1 Pre.1
• Lynx Lynx 2.8.1 Dev.4
• Lynx Lynx 2.8.2 Pre.8
• Lynx Lynx 2.8.2 Pre.7
• Lynx Lynx 2.8.2 Pre.6
• Lynx Lynx 2.8.2 Pre.5
• Lynx Lynx 2.8.2 Rel.1
• Lynx Lynx 2.8.2 Pre.11
• Lynx Lynx 2.8.2 Pre.10
• Lynx Lynx 2.8.2 Pre.9
• Lynx Lynx 2.8.2 Dev.8
• Lynx Lynx 2.8.2 Dev.7
• Lynx Lynx 2.8.2 Dev.10
• Lynx Lynx 2.8.2 Dev.9
• Lynx Lynx 2.8.2 Dev.12
• Lynx Lynx 2.8.2 Dev.11
• Lynx Lynx 2.8.2 Dev.14
• Lynx Lynx 2.8.2 Dev.13
• Lynx Lynx 2.8.2 Dev.2
• Lynx Lynx 2.8.2 Dev.1
• Lynx Lynx 2.8.2 Dev.4
• Lynx Lynx 2.8.2 Dev.3
• Lynx Lynx 2.8.2 Dev.6
• Lynx Lynx 2.8.2 Dev.5
• Lynx Lynx 2.8.2 Dev.23
• Lynx Lynx 2.8.2 Dev.24
• Lynx Lynx 2.8.2 Dev.25
• Lynx Lynx 2.8.2 Dev.26
• Lynx Lynx 2.8.2 Pre.1
• Lynx Lynx 2.8.2 Pre.2
• Lynx Lynx 2.8.2 Pre.3
• Lynx Lynx 2.8.2 Pre.4
• Lynx Lynx 2.8.2 Dev.15
• Lynx Lynx 2.8.2 Dev.16
• Lynx Lynx 2.8.2 Dev.17
• Lynx Lynx 2.8.2 Dev.18
• Lynx Lynx 2.8.2 Dev.19
• Lynx Lynx 2.8.2 Dev.20
• Lynx Lynx 2.8.2 Dev.21
• Lynx Lynx 2.8.2 Dev.22
• Lynx Lynx 2.8.3 Dev.1
• Lynx Lynx 2.8.3 Pre.5
• Lynx Lynx 2.8.3 Dev.9
• Lynx Lynx 2.8.3 Pre.1
• Lynx Lynx 2.8.3 Dev.8
• Lynx Lynx 2.8.3 Dev.3
• Lynx Lynx 2.8.3 Dev.4
• Lynx Lynx 2.8.3 Dev.14
• Lynx Lynx 2.8.3 Dev.13
• Lynx Lynx 2.8.3 Dev.16
• Lynx Lynx 2.8.3 Dev.15
• Lynx Lynx 2.8.3 Dev.10
• Lynx Lynx 2.8.3 Dev.12
• Lynx Lynx 2.8.3 Dev.11
• Lynx Lynx 2.8.3 Dev.22
• Lynx Lynx 2.8.3 Dev.21
• Lynx Lynx 2.8.3 Dev.23
• Lynx Lynx 2.8.3 Dev.18
• Lynx Lynx 2.8.3 Dev.17
• Lynx Lynx 2.8.3 Dev.20
• Lynx Lynx 2.8.3 Pre.8
• Lynx Lynx 2.8.3 Rel.1
• Lynx Lynx 2.8.3 Pre.6
• Lynx Lynx 2.8.3 Pre.7
• Lynx Lynx 2.8.3 Pre.4
• Lynx Lynx 2.8.3 Dev.7
• Lynx Lynx 2.8.3 Dev.6
• Lynx Lynx 2.8.3 Dev.5
• Lynx Lynx 2.8.3 Dev.19
• Lynx Lynx 2.8.3 Pre.3
• Lynx Lynx 2.8.3 Pre.2
• Lynx Lynx 2.8.3 Dev.2
• Lynx Lynx 2.8.4 Pre.5
• Lynx Lynx 2.8.4 Rel.1
• Lynx Lynx 2.8.4 Dev.16
• Lynx Lynx 2.8.4 Dev.15
• Lynx Lynx 2.8.4 Dev.14
• Lynx Lynx 2.8.4 Dev.13
• Lynx Lynx 2.8.4 Dev.12
• Lynx Lynx 2.8.4 Dev.11
• Lynx Lynx 2.8.4 Dev.10
• Lynx Lynx 2.8.4 Pre.3
• Lynx Lynx 2.8.4 Pre.2
• Lynx Lynx 2.8.4 Pre.1
• Lynx Lynx 2.8.4 Dev.21
• Lynx Lynx 2.8.4 Dev.20
• Lynx Lynx 2.8.4 Dev.19
• Lynx Lynx 2.8.4 Dev.18
• Lynx Lynx 2.8.4 Dev.17
• Lynx Lynx 2.8.4 Pre.4
• Lynx Lynx 2.8.4 Dev.8
• Lynx Lynx 2.8.4 Dev.5
• Lynx Lynx 2.8.4 Dev.6
• Lynx Lynx 2.8.4 Dev.3
• Lynx Lynx 2.8.4 Dev.4
• Lynx Lynx 2.8.4 Dev.1
• Lynx Lynx 2.8.4 Dev.2
• Lynx Lynx 2.8.4 Dev.7
• Lynx Lynx 2.8.5 Pre.5
• Lynx Lynx 2.8.5 Rel.1
• Lynx Lynx 2.8.5 Pre.3
• Lynx Lynx 2.8.5 Pre.4
• Lynx Lynx 2.8.5 Pre.1
• Lynx Lynx 2.8.5 Pre.2
• Lynx Lynx 2.8.5 Dev.16
• Lynx Lynx 2.8.5 Dev.17
• Lynx Lynx 2.8.5 Dev.14
• Lynx Lynx 2.8.5 Dev.15
• Lynx Lynx 2.8.5 Dev.13
• Lynx Lynx 2.8.5 Dev.12
• Lynx Lynx 2.8.5 Dev.11
• Lynx Lynx 2.8.5 Dev.10
• Lynx Lynx 2.8.5 Dev.9
• Lynx Lynx 2.8.5 Dev.8
• Lynx Lynx 2.8.5 Dev.7
• Lynx Lynx 2.8.5 Dev.6
• Lynx Lynx 2.8.5 Dev.5
• Lynx Lynx 2.8.5 Dev.4
• Lynx Lynx 2.8.5 Dev.3
• Lynx Lynx 2.8.5 Dev.2
• Lynx Lynx 2.8.5 Dev.1
• Lynx Lynx 2.8.6 Dev4
• Lynx Lynx 2.8.6 Dev.2
• Lynx Lynx 2.8.6 Dev.12
• Lynx Lynx 2.8.6 Dev.11
• Lynx Lynx 2.8.6 Dev.14
• Lynx Lynx 2.8.6 Dev.13
• Lynx Lynx 2.8.6 Dev.8
• Lynx Lynx 2.8.6 Dev.7
• Lynx Lynx 2.8.6 Dev.10
• Lynx Lynx 2.8.6 Dev.9
• Lynx Lynx 2.8.6 Dev.5
• Lynx Lynx 2.8.6 Dev.6
• Lynx Lynx 2.8.6 Dev.3
• Lynx Lynx 2.8.6 Dev.1
• Lynx Lynx 2.8.6 Dev.15
• MandrakeSoft Mandrake Linux 2008.0 X86_64
• MandrakeSoft Mandrake Linux 2008.0
• MandrakeSoft Mandrake Linux 2008.1 X86_64
• MandrakeSoft Mandrake Linux 2008.1
• MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
• MandrakeSoft Mandrake Linux Corporate Server 3.0
• MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
• MandrakeSoft Mandrake Linux Corporate Server 4.0
• MandrakeSoft Mandrake Multi Network Firewall 2.0
• Mandriva Linux 2009.0 X86_64
• Mandriva Linux 2009.0
• RedHat Enterprise Linux 2.1 AS
• RedHat Enterprise Linux 2.1 ES
• RedHat Enterprise Linux 2.1 WS
• RedHat Enterprise Linux 3 WS
• RedHat Enterprise Linux 3 ES
• RedHat Enterprise Linux 3 AS
• RedHat Enterprise Linux 3 Desktop
• RedHat Enterprise Linux 4 AS
• RedHat Enterprise Linux 4 Desktop
• RedHat Enterprise Linux 4 WS
• RedHat Enterprise Linux 4 ES
• RedHat Enterprise Linux 4.7.z AS
• RedHat Enterprise Linux 5
• RedHat Enterprise Linux 5 Client
• RedHat Enterprise Linux 5.2.z EUS
• RedHat Linux Advanced Workstation 2.1 Itanium
• RedHat Red Hat Enterprise Linux 4.7.z ES

Reported:

Oct 09, 2008

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