CVE-2007-3108
First published: Wed Aug 08 2007(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenSSL | <=0.9.8e |
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Reference Links
- 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/
Frequently Asked Questions
What is the severity of CVE-2007-3108?
CVE-2007-3108 has been categorized as a high-severity vulnerability due to its potential to expose RSA private keys.
How do I fix CVE-2007-3108?
To fix CVE-2007-3108, upgrade OpenSSL to version 0.9.8f or later.
What causes CVE-2007-3108?
CVE-2007-3108 is caused by improper Montgomery multiplication in the BN_from_montgomery function of OpenSSL.
Who is affected by CVE-2007-3108?
Local users on systems running OpenSSL versions 0.9.8e and earlier are affected by CVE-2007-3108.
What types of attacks can CVE-2007-3108 facilitate?
CVE-2007-3108 can facilitate side-channel attacks that allow attackers to retrieve RSA private keys.
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