CVE-2007-3108

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Summary

CVECVE-2007-3108
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2007-08-08 01:17:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 1.2 from [email protected]

AV:L/AC:H/Au:N/C:P/I:N/A:N

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
High
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:L/AC:H/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Openssl Openssl All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
/err404.html af854a3a-2127-422b-91ae-364da2661108 openssl.org
Webmail - OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
Reflection for Secure IT Multiple Vulnerabilities - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
VU#724968 - RSA key reconstruction vulnerability af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org US Government Resource
Red Hat update for openssl - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Security Advisories | Mandriva Linux af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Debian OpenSSL Predictable Random Number Generator and Update - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
OpenSSL RSA key reconstruction vulnerability (CVE-2007-3108, VU#724968) | Blue Coat Systems, Inc. af854a3a-2127-422b-91ae-364da2661108 www.bluecoat.com
VMSA-2008-0001.1 - VMware af854a3a-2127-422b-91ae-364da2661108 www.vmware.com
Ubuntu update for openssl - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
ASA-2007-485 (RHSA-2007-0813) af854a3a-2127-422b-91ae-364da2661108 support.avaya.com
Mandriva update for openssl - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
rhn.redhat.com | Red Hat Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
rhn.redhat.com | Red Hat Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
Gentoo update for openssl - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
USN-522-1: openssl vulnerabilities | Ubuntu security notices af854a3a-2127-422b-91ae-364da2661108 usn.ubuntu.com
VMware ESX Server Multiple Security Updates - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Debian -- Security Information -- DSA-1571-1 openssl af854a3a-2127-422b-91ae-364da2661108 www.debian.org
VMware ESXi OpenSSL Vulnerabilities - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
OpenSSL Information for VU#724968 af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org
Webmail - OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
rhn.redhat.com | Red Hat Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
Linux Terminal Server Project: Multiple vulnerabilities — Gentoo Linux Documentation af854a3a-2127-422b-91ae-364da2661108 www.gentoo.org
support.attachmate.com/techdocs/2374.html af854a3a-2127-422b-91ae-364da2661108 support.attachmate.com
Blue Coat Products OpenSSL RSA Key Reconstruction Weakness - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
issues.rpath.com/browse/RPL-1633 af854a3a-2127-422b-91ae-364da2661108 issues.rpath.com
issues.rpath.com/browse/RPL-1613 af854a3a-2127-422b-91ae-364da2661108 issues.rpath.com
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
[Security-announce] VMSA-2008-0001 Moderate OpenPegasus PAM Authentication Buffer Overflow and updated service console packages af854a3a-2127-422b-91ae-364da2661108 lists.vmware.com
VMware updates for OpenSSL, net-snmp, and perl - Secunia Advisories - Vulnerability Intelligence - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
OpenSSL: CVS Web Interface af854a3a-2127-422b-91ae-364da2661108 cvs.openssl.org
OpenSSL Montgomery Exponentiation Side-Channel Local Information Disclosure Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Patch
rPath update for openssl - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
VUPEN Security - Offensive Cyber Security af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
Webmail - OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
Gentoo Linux Documentation -- OpenSSL: Multiple vulnerabilities af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
Webmail - OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
Avaya Products OpenSSL Vulnerabilities - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Red Hat update for openssl - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Webmail - OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
VMSA-2008-0013.3 - VMware af854a3a-2127-422b-91ae-364da2661108 www.vmware.com
Gentoo ltsp Multiple Vulnerabilities - Secunia Advisories - Vulnerability Intelligence - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
rPath update for openssl - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

OrganizationPublishedContributorStatement
Red Hat2007-08-14Mark J CoxThis 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

Legacy QID Mappings

  • 390284 Oracle Managed Virtualization (VM) Server for x86 Security Update for Open Secure Sockets Layer (OpenSSL) (OVMSA-2023-0013)
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