VUPEN Security - NetBSD Security Update Fixes PPPoE Invalid Memory Access Issue / Exploit (Security Advisories)

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>> NetBSD Security Update Fixes PPPoE Invalid Memory Access Issue

Title : NetBSD Security Update Fixes PPPoE Invalid Memory Access Issue
Advisory ID : VUPEN/ADV-2008-2435
CVE ID : CVE-2008-3584
CWE ID : CWE-126
Rated as : Moderate Risk

Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2008-08-25

Advisory Details

Description

Affected Products

Solution

References

Technical Description

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A vulnerability has been identified in NetBSD, which could be exploited by attackers to cause a denial of service or potentially compromise a vulnerable system. This issue is caused by an error in range checking when handling packets while establishing PPPoE connections, which could allow a malicious packet to cause the kernel to access memory outside of the allocated buffer, leading to a crash or potentially arbitrary code execution.

Credits

Vulnerability reported by Yasuoka Masahiko (Internet Initiative Japan Inc).

ChangeLog

2008-08-25 : Initial release

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