8299 : PuTTY modpow() Pre-authentication Arbitrary Code Execution
Printer | http://osvdb.org/8299 | Email This | Edit Vulnerability

Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
17	2728	almost 9 years ago	about 3 years ago	3 times	100%

Timeline

Disclosure Date
2004-08-04

Time to Patch	Time to Vendor Response
6 days	1 days

Description

PuTTy contains a flaw that may allow a malicious user to execute arbitrary code. The issue is triggered when an attacker sends specially crafted packets to a client during authentication. It is possible that the flaw may allow the attacker to compromise and execute arbitrary code resulting in a loss of confidentiality, and integrity.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Public
Disclosure: Vendor Verified

Solution

Upgrade to version 0.55 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Simon Tatham	PuTTY	0.45
		0.46
		0.47
		0.49
		0.50
		0.51
		0.52
		0.53
		0.54
		0.48
		0.53b

References

Bugtraq ID: 10850
Secunia Advisory ID: 12212 12213
ISS X-Force ID: 16885
CVE ID: 2004-1440 (see also: NVD)
SCIP VulDB ID: 777
Vendor Specific Advisory URL: http://security.gentoo.org/glsa/glsa-200408-04.xml
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-modpow.html
Other Advisory URL: http://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html
http://www.coresecurity.com/common/showdoc.php?idx=417&idxseccion=10 [ Link is 404 ]

Tools & Filters

	14236
	1998

Credit

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2005-06-26 | Disagree?

Comments

Add Comment Hide Add Comment

No Comments.

The database information may change without any notice. Use of the information constitutes acceptance for use in an AS IS condition, and there are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the copyright holder or distributor (OSVDB or OSF) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.