Oracle Secure Backup 10.3.0.3/10.4.0.1 PHP input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

A vulnerability has been found in Oracle Secure Backup 10.3.0.3/10.4.0.1 (Backup Software) and classified as problematic. Affected by this vulnerability is an unknown part of the component PHP. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

PHP before 5.3.9 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.

The weakness was released 07/17/2012 by Alexander Klink as Patch Day July 2012 as confirmed advisory (Website). The advisory is shared at oracle.com. This vulnerability is known as CVE-2011-4885 since 12/21/2011. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by infodox and been published before and not just after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as highly functional. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 78135 (F5 Networks BIG-IP : PHP vulnerability (K13588)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family F5 Networks Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119928 (HP-UX Apache Running Tomcat Servlet Engine Remote Denial of Service Vulnerability (HPSBUX02741)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 11994.

The vulnerability is also documented in the databases at X-Force (72021), Tenable (78135) and Exploit-DB (18296). Entries connected to this vulnerability are available at 5783, 5697, 5766 and 5728.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.3
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Author: infodox
Download: 🔍

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Nessus ID: 78135
Nessus Name: F5 Networks BIG-IP : PHP vulnerability (K13588)
Nessus File: 🔍
Nessus Risk: 🔍
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Nessus Port: 🔍

OpenVAS ID: 70716
OpenVAS Name: Debian Security Advisory DSA 2399-1 (php5)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: hashcollision_dos.rb
MetaSploit Name: Hashtable Collisions
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Timelineinfo

12/21/2011 🔍
12/29/2011 +8 days 🔍
12/29/2011 +0 days 🔍
12/29/2011 +0 days 🔍
12/29/2011 +0 days 🔍
01/01/2012 +3 days 🔍
01/01/2012 +0 days 🔍
01/08/2012 +7 days 🔍
03/30/2012 +82 days 🔍
07/17/2012 +109 days 🔍
07/17/2012 +0 days 🔍
07/30/2012 +12 days 🔍
10/10/2014 +802 days 🔍
03/26/2021 +2359 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Patch Day July 2012
Researcher: Alexander Klink
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-4885 (🔍)
OVAL: 🔍

X-Force: 72021 - PHP hash denial of service, Medium Risk
SecurityTracker: 1026473 - PHP Hash Table Collision Bug Lets Remote Users Deny Service
Vulnerability Center: 34176 - [cpujul2012-392727] PHP Before 5.3.9 Hash Collision Remote DoS Vulnerability, High
SecurityFocus: 51193 - PHP Web Form Hash Collision Denial Of Service Vulnerability
Secunia: 48668 - SUSE update for php5, Highly Critical
OSVDB: 78115

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

Entryinfo

Created: 07/30/2012 16:00
Updated: 03/26/2021 12:24
Changes: 07/30/2012 16:00 (94), 04/09/2017 13:14 (13), 03/26/2021 12:24 (3)
Complete: 🔍

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