Vulnerability Assessment & Network Security Forums



If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.


Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200609-18] Opera: RSA signature forgery


Vulnerability Assessment Details

[GLSA-200609-18] Opera: RSA signature forgery

Vulnerability Assessment Summary
Opera: RSA signature forgery

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200609-18
(Opera: RSA signature forgery)


Opera makes use of OpenSSL, which fails to correctly verify PKCS #1
v1.5 RSA signatures signed by a key with exponent 3. Some CAs in
Opera's list of trusted signers are using root certificates with
exponent 3.

Impact

A possible hacker could forge certificates which will appear valid and signed
by a trusted CA.

Workaround

There is no known workaround at this time.

References:
http://www.opera.com/support/search/supsearch.dml?index=845
http://www.gentoo.org/security/en/glsa/glsa-200609-05.xml


Solution:
All Opera users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/opera-9.02"


Network Security Threat Level: Medium


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2006 Michel Arboi

Cables, Connectors

IBM A31 ThinkPad : CD-RW / DVD, DVD-RW, ZIP Drive, Hard Drive, Floppy Drive LOT
$49.95
IBM A31 ThinkPad : CD-RW / DVD, DVD-RW, ZIP Drive, Hard Drive, Floppy Drive LOT  picture2 Lot - Lenovo ThinkPad X230 (Intel Core i5, 2.6GHz, 4GB, No HDD/Caddy/Battery)
$10.0
2 Lot - Lenovo ThinkPad X230 (Intel Core i5, 2.6GHz, 4GB, No HDD/Caddy/Battery)  pictureGenuine Lenovo Yoga 710-11ISK 11.6" Bottom Base Case Cover AP11G000100 D29
$12.99
Genuine Lenovo Yoga 710-11ISK 11.6 IBM 03L5271 DDRS-39130 GB 7200RPM SCSI 80 PIN 3.5 Hard Drive
$39.99
   IBM 03L5271 DDRS-39130 GB 7200RPM SCSI 80 PIN 3.5 Hard Drive  picture


Discussions

No Discussions have been posted on this vulnerability.