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>> GnuPG Unsigned Data Injection and Signature Verification Bypass Vulnerability
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Title : GnuPG Unsigned Data Injection and Signature Verification Bypass Vulnerability
VUPEN ID : VUPEN/ADV-2006-0915
CVE ID : CVE-2006-0049
Rated as : Low Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2006-03-11
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A vulnerability has been identified in GnuPG, which could be exploited by attackers to bypass security restrictions and procedures. This flaw is due to an error in the verification of non-detached signatures when handling certain illegal signature formats, which could be exploited by attackers to inject arbitrary data into a digitally-signed message, allowing them to bypass authentication systems, or impersonate another user.
Affected Products
GnuPG versions prior to 1.4.2.2
Solution
Upgrade to GnuPG version 1.4.2.2 :
http://www.gnupg.org/download/
References
http://www.vupen.com/english/advisories/2006/0915
http://www.frsirt.com/english/reference/7153
Credits
Vulnerability reported by Tavis Ormandy
ChangeLog
2006-03-11 : Initial release
Vulnerability Management
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