Smarty _expand_quoted_text() function code execution

smarty-expandquotedtext-code-execution1 (46406) The risk level is classified as HighHigh Risk

Description:

Smarty could allow a remote attacker to execute arbitrary PHP code on the system, caused by an error in the _expand_quoted_text() function. A remote attacker could exploit this vulnerability via vectors related to templates and a \ (backslash) before a dollar-sign character to execute arbitrary PHP code on the system.

*CVSS:

Base Score: 7.5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 5.5
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Privileges

Remedy:

Apply the appropriate patch for your system. See References.

References:

  • Mahara Web Site: Mahara 1.2.4, 1.1.8, and 1.0.14 Released.
  • Red Hat Bugzilla ¿ Bug 467317 : Bug 467317 - Security Update for php-smarty .
  • Smarty Web site: Smarty: Template Engine.
  • BID-31862: Smarty Template Engine 'Smarty_Compiler.class.php' Security Bypass Vulnerability
  • CVE-2008-4811: The _expand_quoted_text function in libs/Smarty_Compiler.class.php in Smarty 2.6.20 r2797 and earlier allows remote attackers to execute arbitrary PHP code via vectors related to templates and a \ (backslash) before a dollar-sign character.
  • DSA-1691: moodle -- several vulnerabilities
  • GLSA-201006-13: Smarty: Multiple vulnerabilities
  • SA32329: Smarty "_expand_quoted_text()" Security Bypass Vulnerability
  • USN-791-1: Moodle vulnerabilities

Platforms Affected:

  • Canonical Ubuntu 8.04 LTS
  • Canonical Ubuntu 8.10
  • Debian Debian Linux 4.0
  • Gentoo Linux
  • Mahara Mahara 1.0.1
  • Mahara Mahara 1.0.10
  • Mahara Mahara 1.0.11
  • Mahara Mahara 1.0.12
  • Mahara Mahara 1.0.2
  • Mahara Mahara 1.0.3
  • Mahara Mahara 1.0.4
  • Mahara Mahara 1.0.5
  • Mahara Mahara 1.0.6
  • Mahara Mahara 1.0.8
  • Mahara Mahara 1.0.9
  • Mahara Mahara 1.1.0
  • Mahara Mahara 1.1.1
  • Mahara Mahara 1.1.2
  • Mahara Mahara 1.1.3
  • Mahara Mahara 1.1.4
  • Mahara Mahara 1.1.5
  • Mahara Mahara 1.1.6
  • Smarty Smarty 1.0
  • Smarty Smarty 1.0A
  • Smarty Smarty 1.0B
  • Smarty Smarty 1.1.0
  • Smarty Smarty 1.2.0
  • Smarty Smarty 1.2.1
  • Smarty Smarty 1.2.2
  • Smarty Smarty 1.3.0
  • Smarty Smarty 1.3.1
  • Smarty Smarty 1.3.2
  • Smarty Smarty 1.4.0
  • Smarty Smarty 1.4.0 B2
  • Smarty Smarty 1.4.0 B1
  • Smarty Smarty 1.4.1
  • Smarty Smarty 1.4.2
  • Smarty Smarty 1.4.3
  • Smarty Smarty 1.4.4
  • Smarty Smarty 1.4.5
  • Smarty Smarty 1.4.6
  • Smarty Smarty 1.5.0
  • Smarty Smarty 1.5.1
  • Smarty Smarty 1.5.2
  • Smarty Smarty 2.0.0
  • Smarty Smarty 2.0.1
  • Smarty Smarty 2.1.0
  • Smarty Smarty 2.1.1
  • Smarty Smarty 2.2.0
  • Smarty Smarty 2.3.0
  • Smarty Smarty 2.3.1
  • Smarty Smarty 2.4.0
  • Smarty Smarty 2.4.1
  • Smarty Smarty 2.4.2
  • Smarty Smarty 2.5.0 Rc2
  • Smarty Smarty 2.5.0
  • Smarty Smarty 2.5.0 Rc1
  • Smarty Smarty 2.6.0
  • Smarty Smarty 2.6.0 Rc3
  • Smarty Smarty 2.6.0 Rc2
  • Smarty Smarty 2.6.0 Rc1
  • Smarty Smarty 2.6.1
  • Smarty Smarty 2.6.10
  • Smarty Smarty 2.6.11
  • Smarty Smarty 2.6.12
  • Smarty Smarty 2.6.13
  • Smarty Smarty 2.6.14
  • Smarty Smarty 2.6.15
  • Smarty Smarty 2.6.16
  • Smarty Smarty 2.6.17
  • Smarty Smarty 2.6.18
  • Smarty Smarty 2.6.2
  • Smarty Smarty 2.6.3
  • Smarty Smarty 2.6.4
  • Smarty Smarty 2.6.5
  • Smarty Smarty 2.6.6
  • Smarty Smarty 2.6.7
  • Smarty Smarty 2.6.9

Reported:

Oct 22, 2008

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