VUPEN Security - D-Bus Signature Validation Local Denial of Service Vulnerability / Exploit (Security Advisories)

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>> D-Bus Signature Validation Local Denial of Service Vulnerability

Title : D-Bus Signature Validation Local Denial of Service Vulnerability
Advisory ID : VUPEN/ADV-2008-2762
CVE ID : CVE-2008-3834
Rated as : Low Risk

Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2008-10-08

Advisory Details

Description

Affected Products

Solution

References

Technical Description

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A vulnerability has been identified in D-Bus, which could be exploited by local atatckers to cause a denial of service. This issue is caused by a design error in the "_dbus_validate_signature_with_reason()" [dbus/dbus-marshal-validate.c] function when validating malformed signatures, which could be exploited by malicious users to cause a vulnerable application to abort, creating a denial of service condition.

Credits

Vulnerability reported by schelte.

ChangeLog

2008-10-08 : Initial release

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