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TITLE:
PGP Desktop Message Verification Vulnerability

SECUNIA ADVISORY ID:
SA42293

VERIFY ADVISORY:
Secunia.com
https://secunia.com/advisories/42293/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42293

RELEASE DATE:
2010-11-19

DISCUSS ADVISORY:
https://secunia.com/advisories/42293/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

https://secunia.com/advisories/42293/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=42293

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

https://secunia.com/vulnerability_scanning/personal/
https://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been reported in PGP Desktop, which can be
exploited by malicious people to bypass certain security
restrictions.

The vulnerability is caused due to an error in the verification of
OpenPGP messages. This can be exploited to e.g. intercept and
manipulate signed OpenPGP messages, which will be displayed as fully
valid when the recipient right-clicks to decrypt and verify a .pgp
file.

The vulnerability is reported in PGP Desktop for Windows and OS X in
version 10.0.3 and prior and 10.1.0 (please see the vendor's advisory
for details).

SOLUTION:
Update to version 10.0.3SP2 or 10.1.0 SP1.

PROVIDED AND/OR DISCOVERED BY:
Eric Verheul, Digital Security group, Radbound University Nijmengen

ORIGINAL ADVISORY:
PGP:
https://pgp.custhelp.com/app/answers/detail/a_id/2290

SYM10-012:
https://www.symantec.com/business/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2010&suid=20101118_00

Eric Verheul:
https://www.cs.ru.nl/E.Verheul/papers/Govcert/Pretty%20Good%20Piggybagging%20v1.0.pdf

OTHER REFERENCES:
Further details available in Customer Area:
https://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
https://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
https://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
https://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
https://secunia.com/products/corporate/EVM/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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Secunia NEVER sends attached files with advisories.
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use those supplied by the vendor.

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