Zend Server 5.6.0 directives[zend_optimizerplus.blacklist_filename] cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Zend Server 5.6.0 and classified as problematic. Affected is an unknown function. Executing a manipulation of the argument directives[zend_optimizerplus.blacklist_filename] can lead to cross site scripting. It is possible to launch the attack remotely. Furthermore, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Zend Server 5.6.0. This vulnerability affects an unknown code. The manipulation of the argument directives[zend_optimizerplus.blacklist_filename] with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 02/22/2012. The weakness was published 03/10/2012 by Gjoko Krstic (LiquidWorm) with Zero Science Lab (Website). The advisory is shared for download at zeroscience.mk. The public release has been coordinated with the vendor. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

A public exploit has been developed by Gjoko Krstic (LiquidWorm) in HTML and been published immediately after the advisory. It is possible to download the exploit at zeroscience.mk. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 5.6.0 SP1 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (73941), Exploit-DB (18582), SecurityFocus (BID 52397†) and OSVDB (80612†). Similar entries are available at VDB-4961, VDB-4962, VDB-4963 and VDB-4964. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.8
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Gjoko Krstic (LiquidWorm)
Programming Language: 🔍
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: Server 5.6.0 SP1

Timelineinfo

02/22/2012 🔍
02/23/2012 +1 days 🔍
02/23/2012 +0 days 🔍
03/08/2012 +14 days 🔍
03/10/2012 +2 days 🔍
03/10/2012 +0 days 🔍
03/10/2012 +0 days 🔍
03/12/2012 +2 days 🔍
03/28/2012 +16 days 🔍
04/02/2012 +5 days 🔍
03/23/2019 +2546 days 🔍

Sourcesinfo

Advisory: zeroscience.mk
Researcher: Gjoko Krstic (LiquidWorm)
Organization: Zero Science Lab
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-4960
X-Force: 73941 - Zend Server multiple components cross-site scripting, Medium Risk
SecurityFocus: 52397 - Zend Server Multiple HTML Injection Vulnerabilities
OSVDB: 80612

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 04/02/2012 15:18
Updated: 03/23/2019 20:12
Changes: 04/02/2012 15:18 (64), 03/23/2019 20:12 (9)
Complete: 🔍
Cache ID: 216::103

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