Php.html kandalf upper 0.1 File Upload upper.php memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Php.html kandalf upper 0.1. This impacts an unknown function of the file upper.php of the component File Upload. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2009-4451. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in Php.html kandalf upper 0.1 (Programming Language Software). It has been rated as critical. This issue affects an unknown code of the file upper.php of the component File Upload. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Unrestricted file upload vulnerability in upper.php in kandalf upper 0.1 allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in fileup/.

The weakness was published 12/28/2009 (Website). It is possible to read the advisory at exploit-db.com. The identification of this vulnerability is CVE-2009-4451 since 12/29/2009. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed by indoushka and been published even before and not after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:upper.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (10672), OSVDB (61370†) and Secunia (SA37946†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: indoushka
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/26/2009 🔍
12/26/2009 +0 days 🔍
12/28/2009 +2 days 🔍
12/28/2009 +0 days 🔍
12/28/2009 +0 days 🔍
12/29/2009 +0 days 🔍
12/29/2009 +0 days 🔍
03/18/2015 +1905 days 🔍
06/25/2025 +3752 days 🔍

Sourcesinfo

Advisory: exploit-db.com
Status: Confirmed

CVE: CVE-2009-4451 (🔍)
GCVE (CVE): GCVE-0-2009-4451
GCVE (VulDB): GCVE-100-51335
Secunia: 37946 - kandalf upper File Upload Security Issue, Moderately Critical
OSVDB: 61370 - kandalf upper upper.php MIME Type File Upload Arbitrary PHP Code Execution

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

Entryinfo

Created: 03/18/2015 15:15
Updated: 06/25/2025 15:38
Changes: 03/18/2015 15:15 (56), 12/15/2017 09:10 (7), 06/25/2025 15:38 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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