CVE-2007-3108 Detail

Current Description

The BN_from_montgomery function in crypto/bn/bn_mont.c in OpenSSL 0.9.8e and earlier does not properly perform Montgomery multiplication, which might allow local users to conduct a side-channel attack and retrieve RSA private keys.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  N/A
NVD score not yet provided.


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

Vendor Statements (disclaimer)

Official Statement fromRed Hat (08/14/2007)

This paper describes a possible side-channel attack that hasn’t been proven outside of a lab environment. In reality many factors would make this harder to exploit. If exploited, a local user could obtain RSA private keys (for example for web sites being run on the server). We have rated this as affecting Red Hat products with moderate security severity. Although the OpenSSL team have produced a patch for this issue, it is non-trivial and will require more testing before we can deploy it in a future update. Our current plan is as follows: - To include a backported fix in an OpenSSL update as part of Enterprise Linux 4.6. This will get testing via beta and give time for more extensive internal and upstream testing - To release an update for OpenSSL for other platforms at the same time as 4.6 is released http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2007-3108

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
http://cvs.openssl.org/chngview?cn=16275
http://lists.vmware.com/pipermail/security-announce/2008/000002.html
http://openssl.org/news/patch-CVE-2007-3108.txt
http://security.gentoo.org/glsa/glsa-200710-06.xml
http://support.attachmate.com/techdocs/2374.html
http://support.avaya.com/elmodocs2/security/ASA-2007-485.htm
http://www.bluecoat.com/support/securityadvisories/advisory_openssl_rsa_key_reconstruction_vulnerability
http://www.debian.org/security/2008/dsa-1571
http://www.gentoo.org/security/en/glsa/glsa-200805-07.xml
http://www.kb.cert.org/vuls/id/724968 US Government Resource 
http://www.kb.cert.org/vuls/id/RGII-74KLP3
http://www.mandriva.com/security/advisories?name=MDKSA-2007:193
http://www.redhat.com/support/errata/RHSA-2007-0813.html
http://www.redhat.com/support/errata/RHSA-2007-0964.html
http://www.redhat.com/support/errata/RHSA-2007-1003.html
http://www.securityfocus.com/archive/1/476341/100/0/threaded
http://www.securityfocus.com/archive/1/485936/100/0/threaded
http://www.securityfocus.com/archive/1/486859/100/0/threaded
http://www.securityfocus.com/bid/25163 Patch 
http://www.vmware.com/security/advisories/VMSA-2008-0001.html
http://www.vmware.com/security/advisories/VMSA-2008-0013.html
http://www.vupen.com/english/advisories/2007/2759
http://www.vupen.com/english/advisories/2007/4010
http://www.vupen.com/english/advisories/2008/0064
http://www.vupen.com/english/advisories/2008/2361
http://www.vupen.com/english/advisories/2008/2362
http://www.vupen.com/english/advisories/2008/2396
https://issues.rpath.com/browse/RPL-1613
https://issues.rpath.com/browse/RPL-1633
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9984
https://usn.ubuntu.com/522-1/

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-Other Other cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2007-3108
NVD Published Date:
08/07/2007
NVD Last Modified:
10/16/2018
Source:
MITRE