WinSCP < 5.1.7 Multiple Vulnerabilities

Medium Nessus Plugin ID 72389

Synopsis

The remote Windows host has an application installed that is affected by multiple vulnerabilities.

Description

The WinSCP program installed on the remote host is a version prior to 5.1.7. It therefore contains code from PuTTY that is affected by the following vulnerabilities related to PuTTY :

- An overflow error exists that allows heap corruption when handling DSA signatures. (CVE-2013-4206)

- A buffer overflow error exists related to modular inverse calculation, non-coprime values, and DSA signature verification. (CVE-2013-4207)

- An error exists that allows disclosure of private key material. (CVE-2013-4208)

Solution

Upgrade to WinSCP version 5.1.7 / 5.2.4 beta or later.

See Also

https://winscp.net/tracker/show_bug.cgi?id=1039

https://winscp.net/eng/docs/history#5.1.7

http://www.nessus.org/u?20c27652

http://www.nessus.org/u?e1b0243c

http://www.nessus.org/u?7bdd07a8

Plugin Details

Severity: Medium

ID: 72389

File Name: winscp_5_1_7.nasl

Version: 1.4

Type: local

Agent: windows

Family: Windows

Published: 2014/02/07

Updated: 2018/11/15

Dependencies: 72387

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/a:winscp:winscp

Required KB Items: installed_sw/WinSCP

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2013/08/14

Vulnerability Publication Date: 2013/08/06

Reference Information

CVE: CVE-2013-4206, CVE-2013-4207, CVE-2013-4208

BID: 61644, 61645, 61649