7564 : NetBSD talkd Inbound Message Overflow
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Timeline

Disclosure Date
2002-10-08

Description

A remote overflow exists in the talk daemon on NetBSD. The talk daemon fails to check the length of incoming messages, resulting in a buffer overflow. With a specially crafted request, an attacker can cause execution of arbitrary code, resulting in a loss of confidentiality, integrity, and/or availability.

Classification

Location: Local Access Required, Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Confidentiality, Loss of Integrity, Loss of Availability

Solution

Upgrade to version 1.6.1 or higher, as it has been reported to fix this vulnerability. It is also possible to correct the flaw by applying the vendor-supplied patch.

Products

The NetBSD Foundation, Inc.
NetBSD
1.6
1.5.3
1.5.2
1.5.1
1.5
NetBSD-current
20020920

References

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_1 Integrity_impact_1 Availability_impact_1

Comments

No Comments.

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