Red Hat Cygwin 1.7 setup.exe input validation

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.
8.7$0-$5k0.00

A vulnerability classified as critical was found in Red Hat Cygwin 1.7. This vulnerability affects an unknown functionality of the file setup.exe. 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 confidentiality, integrity, and availability. CVE summarizes:

setup.exe before 2.573.2.3 in Cygwin does not properly verify the authenticity of packages, which allows remote Cygwin mirror servers or man-in-the-middle attackers to execute arbitrary code via a package list containing the MD5 checksum of a Trojan horse package.

The weakness was presented 07/28/2008 as Bug 449929 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2008-3323 since 07/25/2008. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

It is declared as proof-of-concept.

Upgrading to version 1.7 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (44047).

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 8.7

VulDB Base Score: 10.0
VulDB Temp Score: 8.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Cygwin 1.7

Timelineinfo

07/25/2008 🔍
07/25/2008 +0 days 🔍
07/28/2008 +3 days 🔍
07/28/2008 +0 days 🔍
03/17/2015 +2423 days 🔍
09/30/2018 +1293 days 🔍

Sourcesinfo

Vendor: redhat.com

Advisory: Bug 449929
Status: Confirmed

CVE: CVE-2008-3323 (🔍)
X-Force: 44047 - Cygwin setup.exe weak security
SecurityFocus: 30375 - Cygwin 'setup.exe' Installation and Update Process Mirror Authenticity Verification Vulnerability
Secunia: 31271
Vupen: ADV-2008-2321

Entryinfo

Created: 03/17/2015 12:19
Updated: 09/30/2018 09:24
Changes: 03/17/2015 12:19 (53), 09/30/2018 09:24 (6)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!