PHPMailer 1.72 class.smtp.php data infinite loop

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in PHPMailer 1.72. This vulnerability affects the function data of the file class.smtp.php. This manipulation causes infinite loop. The identification of this vulnerability is CVE-2005-1807. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in PHPMailer 1.72. It has been declared as problematic. Affected by this vulnerability is the function data of the file class.smtp.php. The manipulation with an unknown input leads to a infinite loop vulnerability. The CWE definition for the vulnerability is CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. As an impact it is known to affect availability. The summary by CVE is:

The Data function in class.smtp.php in PHPMailer 1.7.2 and earlier allows remote attackers to cause a denial of service (infinite loop leading to memory and CPU consumption) via a long header field.

The weakness was shared 05/28/2005 by Mariano Nunez Di Croce with Cybsec (Website). The advisory is shared at vupen.com. This vulnerability is known as CVE-2005-1807 since 06/01/2005. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1499 for this issue.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:class.smtp.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 (25752), SecurityFocus (BID 13805†), Secunia (SA15543†) and SecurityTracker (ID 1014069†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.0
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: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
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

05/28/2005 🔍
05/28/2005 +0 days 🔍
05/28/2005 +0 days 🔍
05/28/2005 +0 days 🔍
06/01/2005 +4 days 🔍
03/11/2015 +3570 days 🔍
02/24/2025 +3638 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Researcher: Mariano Nunez Di Croce
Organization: Cybsec
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-1807 (🔍)
GCVE (CVE): GCVE-0-2005-1807
GCVE (VulDB): GCVE-100-25369
SecurityFocus: 13805 - PHPMailer Data() Function Remote Denial of Service Vulnerability
Secunia: 15543
SecurityTracker: 1014069 - PHPMailer Data() Function Infinite Loop Lets Remote Users Deny Service
Vupen: ADV-2006-0448

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

Entryinfo

Created: 03/11/2015 11:41
Updated: 02/24/2025 07:24
Changes: 03/11/2015 11:41 (48), 06/08/2017 23:46 (12), 02/24/2025 07:24 (19)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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