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GnuPG OpenPGP Message Decryption Vulnerability
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Secunia Advisory:
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SA23245
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Release Date:
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2006-12-06
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Last Update:
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2006-12-19
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Popularity:
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11,943 views
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Critical:
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Highly critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | GnuPG / gpg 1.0.x
GnuPG / gpg 1.2.x
GnuPG / gpg 1.3.x
GnuPG / gpg 1.4.x
GnuPG / gpg 2.x
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| CVE reference: | CVE-2006-6235
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Description:
Tavis Ormandy has reported a vulnerability in GnuPG, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to an error within the decryption of malformed OpenPGP messages. This can be exploited to corrupt memory when decrypting a specially crafted OpenPGP message.
Successful exploitation allows execution of arbitrary code.
The vulnerability is reported in versions prior to 1.4.6 and 2.0.2.
Solution:
Update to a fixed version or apply patch.
GnuPG 1.4:
Update to version 1.4.6 or apply patch.
GnuPG 2.0:
Apply patch.
Provided and/or discovered by:
Tavis Ormandy
Changelog:
2006-12-08: Updated link to vendor advisory.
2006-12-19: Added link to US-CERT.
Original Advisory:
http://lists.gnupg.org/pipermail/gnupg-announce/2006q4/000246.html
Other References:
US-CERT VU#427009:
http://www.kb.cert.org/vuls/id/427009
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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