Apple Mac OS X Mail Encryption Certificate Selection in Keychain Security Bypass Vulnerability

BID:39279

Info

Apple Mac OS X Mail Encryption Certificate Selection in Keychain Security Bypass Vulnerability

Bugtraq ID: 39279
Class: Design Error
CVE: CVE-2010-0525
Remote: Yes
Local: No
Published: Mar 29 2010 12:00AM
Updated: Mar 29 2010 12:00AM
Credit: Paul Suh of ps Enable, Inc.
Vulnerable: Apple Mac OS X Server 10.6.2
Apple Mac OS X Server 10.6.1
Apple Mac OS X Server 10.5.8
Apple Mac OS X Server 10.5.7
Apple Mac OS X Server 10.5.6
Apple Mac OS X Server 10.5.5
Apple Mac OS X Server 10.5.4
Apple Mac OS X Server 10.5.3
Apple Mac OS X Server 10.5.2
Apple Mac OS X Server 10.5.1
Apple Mac OS X Server 10.6
Apple Mac OS X Server 10.5
Apple Mac OS X 10.6.2
Apple Mac OS X 10.6.1
Apple Mac OS X 10.5.8
Apple Mac OS X 10.5.7
Apple Mac OS X 10.5.6
Apple Mac OS X 10.5.5
Apple Mac OS X 10.5.4
Apple Mac OS X 10.5.3
Apple Mac OS X 10.5.2
Apple Mac OS X 10.5.1
Apple Mac OS X 10.6
Apple Mac OS X 10.5
Not Vulnerable: Apple Mac OS X Server 10.6.3
Apple Mac OS X 10.6.3

Discussion

Apple Mac OS X Mail Encryption Certificate Selection in Keychain Security Bypass Vulnerability

Apple Mac OS X is prone to a security-bypass vulnerability in Mail.

Attackers can exploit this issue, likely with a man-in-the-middle attack, to potentially decrypt email messages that were encrypted with unexpectedly weak encryption keys. Other attacks may also be possible.

The following are vulnerable:

Mac OS X 10.5.8
Mac OS X Server 10.5.8
Mac OS X 10.6 through 10.6.2
Mac OS X Server 10.6 through 10.6.2

NOTE: This issue was previously covered in BID 39020 (Apple Mac OS X APPLE-SA-2010-03-29-1 Multiple Security Vulnerabilities) but has been assigned its own record to better document it.

Exploit / POC

Apple Mac OS X Mail Encryption Certificate Selection in Keychain Security Bypass Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Solution / Fix

Apple Mac OS X Mail Encryption Certificate Selection in Keychain Security Bypass Vulnerability

Solution:
A vendor advisory is available to address this issue. Please see the references for more information.


Apple Mac OS X Server 10.6

Apple Mac OS X 10.6

Apple Mac OS X 10.5

Apple Mac OS X Server 10.5

Apple Mac OS X Server 10.5.1

Apple Mac OS X 10.5.1

Apple Mac OS X Server 10.5.2

Apple Mac OS X 10.5.2

Apple Mac OS X 10.5.3

Apple Mac OS X Server 10.5.3

Apple Mac OS X 10.5.4

Apple Mac OS X Server 10.5.4

Apple Mac OS X Server 10.5.5

Apple Mac OS X 10.5.5

Apple Mac OS X 10.5.6

Apple Mac OS X Server 10.5.6

Apple Mac OS X Server 10.5.7

Apple Mac OS X 10.5.7

Apple Mac OS X Server 10.5.8

Apple Mac OS X 10.5.8

Apple Mac OS X Server 10.6.1

Apple Mac OS X 10.6.1

Apple Mac OS X 10.6.2

Apple Mac OS X Server 10.6.2

References

Apple Mac OS X Mail Encryption Certificate Selection in Keychain Security Bypass Vulnerability

References:
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report