National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2005-1797 Detail

Description

The design of Advanced Encryption Standard (AES), aka Rijndael, allows remote attackers to recover AES keys via timing attacks on S-box lookups, which are difficult to perform in constant time in AES implementations.

Source:  MITRE      Last Modified:  05/26/2005

Quick Info

CVE Dictionary Entry:
CVE-2005-1797
Original release date:
05/26/2005
Last revised:
09/05/2008
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
5.1 MEDIUM
Vector:
(AV:N/AC:H/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore:
6.4
Exploitability Subscore:
4.9
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
High
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (07/08/2008)

The OpenSSL Team do not consider this issue to be a practical threat. Conducting an attack such as this has shown to be impractical outside of a controlled lab environment. If the OpenSSL Team decide to produce an update to correct this issue, we will consider including it in a future security update.

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://cr.yp.to/antiforgery/cachetiming-20050414.pdf Vendor Advisory External Source MISC http://cr.yp.to/antiforgery/cachetiming-20050414.pdf
http://www.securityfocus.com/bid/13785 Vendor Advisory External Source BID 13785

Technical Details

Vulnerability Type (View All)

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