CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	0.00

A vulnerability classified as critical has been found in David Harris Pegasus Mail up to 4.21a. Affected is some unknown processing. The manipulation with an unknown input leads to a off-by-one vulnerability. CWE is classifying the issue as CWE-193. A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Off-by-one error in Pegasus Mail 4.21a through 4.21c and 4.30PB1 allows remote attackers to execute arbitrary code via a long email message header, which triggers a one-byte buffer overflow.

The bug was discovered 12/13/2005. The weakness was shared 12/20/2005 by Tan Chew Keong with Secunia Research (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2005-4445 since 12/21/2005. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $0-$5k.

Applying a patch is able to eliminate this problem.

The entry 27683 is related to this item.

Productinfo

Vendor

• David Harris

Name

• Pegasus Mail

Version

• 4.21a

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Off-by-one
CWE: CWE-193 / CWE-189
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/13/2005 🔍
12/20/2005 +7 days 🔍
12/20/2005 +0 days 🔍
12/20/2005 +0 days 🔍
12/20/2005 +0 days 🔍
12/20/2005 +0 days 🔍
12/20/2005 +0 days 🔍
12/21/2005 +0 days 🔍
03/12/2015 +3368 days 🔍
08/05/2017 +877 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Tan Chew Keong
Organization: Secunia Research
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-4445 (🔍)
SecurityTracker: 1015385 - Pegasus Mail Buffer Overflows in Processing POP3 Mail and Displaying Message Headers Let Remote Users Execute Arbitrary Code
SecurityFocus: 15973 - Pegasus Mail Multiple Remote Code Execution Vulnerabilities
Secunia: 17992 - Pegasus Mail Buffer Overflow and Off-by-One Vulnerabilities, Moderately Critical
OSVDB: 21843 - Pegasus Mail RFC2822 Message Display Overflow

See also: 🔍

Entryinfo

Created: 03/12/2015 11:11
Updated: 08/05/2017 09:27
Changes: 03/12/2015 11:11 (61), 08/05/2017 09:27 (7)
Complete: 🔍

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