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FreeBSD : stunnel -- Remote Code Execution (c97219b6-843d-11e2-b131-000c299b62e1)

medium Nessus Plugin ID 65003

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Synopsis

The remote FreeBSD host is missing a security-related update.

Description

Michal Trojnara reports :

64-bit versions of stunnel with the following conditions : * NTLM authentication enabled * CONNECT protocol negotiation enabled * Configured in SSL client mode * An attacker that can either control the proxy server specified in the 'connect' option or execute MITM attacks on the TCP session between stunnel and the proxy

Can be exploited for remote code execution. The code is executed within the configured chroot directory, with privileges of the configured user and group.

Solution

Update the affected package.

See Also

https://www.stunnel.org/CVE-2013-1762.html

http://www.nessus.org/u?0ec01b25

Plugin Details

Severity: Medium

ID: 65003

File Name: freebsd_pkg_c97219b6843d11e2b131000c299b62e1.nasl

Version: 1.15

Type: local

Published: 3/5/2013

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.6

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:stunnel, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 3/3/2013

Vulnerability Publication Date: 3/3/2013

Reference Information

CVE: CVE-2013-1762