CVE-2007-3108

LOW

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.

References

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://secunia.com/advisories/26411

http://secunia.com/advisories/26893

http://secunia.com/advisories/27021

http://secunia.com/advisories/27078

http://secunia.com/advisories/27097

http://secunia.com/advisories/27205

http://secunia.com/advisories/27330

http://secunia.com/advisories/27770

http://secunia.com/advisories/27870

http://secunia.com/advisories/28368

http://secunia.com/advisories/30161

http://secunia.com/advisories/30220

http://secunia.com/advisories/31467

http://secunia.com/advisories/31489

http://secunia.com/advisories/31531

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

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

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/

Details

Source: MITRE

Published: 2007-08-08

Updated: 2018-10-16

Risk Information

CVSS v2.0

Base Score: 1.2

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

Impact Score: 2.9

Exploitability Score: 1.9

Severity: LOW