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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
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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