Symantec pcAnywhere awhost32 Remote Code Execution

critical Nessus Plugin ID 58119
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VPR Score: 7.4

Synopsis

The remote service is affected by a remote code execution vulnerability.

Description

A flaw exists within the awhost32 component of the remote pcAnywhere that is used when handling incoming connections from remote hosts. When handling an authentication request, the process copies the user supplied username unsafely to a fixed-length buffer of size 0x108. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the SYSTEM account.

Solution

Apply Symantec's patch.

See Also

https://www.zerodayinitiative.com/advisories/ZDI-12-018/

http://www.nessus.org/u?d0bc292b

Plugin Details

Severity: Critical

ID: 58119

File Name: pcanywhere_rce.nbin

Version: 1.50

Type: remote

Published: 2/22/2012

Updated: 4/7/2021

Dependencies: PC_anywhere_tcp.nasl

Risk Information

Risk Factor: Critical

VPR Score: 7.4

CVSS v2.0

Base Score: 10

Temporal Score: 8.3

Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: E:F/RL:OF/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/23/2012

Vulnerability Publication Date: 1/23/2012

Exploitable With

CANVAS (White_Phosphorus)

Core Impact

Reference Information

CVE: CVE-2011-3478

BID: 51592

IAVA: 2012-A-0019