14002 : PuTTY fxp_readdir_recv() Function Remote Overflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
8	1569	over 6 years ago	about 1 year ago	2 times	100%

Timeline

Vendor Informed Date	Vendor Ack Date	Disclosure Date	Vendor Solution Date
2005-02-18	2005-02-19	2005-02-20	2005-02-21

Time to Patch	Time to Vendor Response
3 days	1 days

Description

A remote overflow exists in PuTTY. The 'fxp_readdir_recv()' function fails to perform proper bounds checking resulting in an integer overflow. With a specially crafted request, a remote attacker can cause arbitrary code execution resulting in a loss of integrity.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Unknown
Disclosure: OSVDB Verified, Vendor Verified

Solution

Upgrade to version 0.57 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

0.56

References

Security Tracker: 1013246
SCIP VulDB ID: 1237
Related OSVDB ID: 14003
Secunia Advisory ID: 14333 17214
ISS X-Force ID: 19402 19403
CVE ID: 2005-0467 (see also: NVD)
Other Advisory URL: http://security.gentoo.org/glsa/glsa-200502-28.xml
http://www.idefense.com/application/poi/display?id=201&type=vulnerabilities
Vendor Specific News/Changelog Entry: http://www-1.ibm.com/support/docview.wss?uid=ssg1S1002414
http://www-1.ibm.com/support/docview.wss?uid=ssg1S1002416
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-sftp-readdir.html
Vendor URL: http://www.chiark.greenend.org.uk/~sgtatham/putty/
Vendor Specific Advisory URL: http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-sftp-readdir.html

Tools & Filters

	17164 19057
	2637

Credit

Gael Delalleau - iDefense Labs VCP

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2005-06-07 | Disagree?

Blogs

This product uses the Daylife API but is not endorsed or certified by Daylife.

This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.

None found at this time

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