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TITLE:
GnuPG Duplicated IDs Memory Corruption

SECUNIA ADVISORY ID:
SA29568

VERIFY ADVISORY:
http://secunia.com/advisories/29568/

CRITICAL:
Moderately critical

IMPACT:
DoS, System access

WHERE:
>From remote

SOFTWARE:
GnuPG / gpg 1.4.x
http://secunia.com/product/8087/
GnuPG / gpg 2.x
http://secunia.com/product/12760/

DESCRIPTION:
A vulnerability has been reported in GnuPG, which can potentially be
exploited to compromise a vulnerable system.

The vulnerability is caused due to an error when importing keys with
duplicated IDs. This can be exploited to cause a memory corruption
when importing keys via --refresh-keys or --import.

Successful exploitation potentially allows execution of arbitrary
code, but has not been proven yet.

The vulnerability is reported in version 1.4.8 and 2.0.8. Prior
versions may also be affected.

SOLUTION:
Update to version 1.4.9 or 2.0.9.
ftp://ftp.gnupg.org/gcrypt/gnupg

PROVIDED AND/OR DISCOVERED BY:
Andrea Barisani, oCERT

ORIGINAL ADVISORY:
http://lists.gnupg.org/pipermail/gnupg-announce/2008q1/000272.html
https://bugs.g10code.com/gnupg/issue894

oCERT:
http://www.ocert.org/advisories/ocert-2008-1.html

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About:
This Advisory was delivered by Secunia as a free service to help
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