MS12-049: Vulnerability in TLS Could Allow Information Disclosure (2655992)

Medium Nessus Plugin ID 59912


The remote Windows host has an information disclosure vulnerability.


A design flaw in the CBC mode of operation on the TLS protocol can allow encrypted TLS traffic to be decrypted. This vulnerability could allow for the decryption of HTTPS traffic by an unauthorized third party.


Microsoft has released a set of patches for Windows XP, 2003, Vista, 2008, 7, and 2008 R2.

See Also

Plugin Details

Severity: Medium

ID: 59912

File Name: smb_nt_ms12-049.nasl

Version: $Revision: 1.9 $

Type: local

Agent: windows

Published: 2012/07/11

Modified: 2017/08/15

Dependencies: 13855, 57033

Risk Information

Risk Factor: Medium


Base Score: 4.3

Temporal Score: 3.6

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

Temporal Vector: CVSS2#E:F/RL:OF/RC:ND

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2012/07/10

Vulnerability Publication Date: 2012/07/10

Reference Information

CVE: CVE-2012-1870

BID: 54304

OSVDB: 83660

MSFT: MS12-049

IAVA: 2012-A-0108

MSKB: 2655992