Security Advisory SA25579 - c-ares DNS Cache Poisoning Vulnerability

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Secunia Advisory SA25579

c-ares DNS Cache Poisoning Vulnerability

Secunia Advisory

SA25579

Release Date

2007-06-08

Last Update

2007-06-14

Popularity

10,080 views

Comments

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Criticality level

Moderately critical

Impact

Spoofing

Where

From remote

Authentication level

This information is available to Secunia VIM customers

Report reliability

This information is available to Secunia VIM customers

Solution Status

Vendor Patch

Systems affected

This information is available to Secunia VIM customers

Approve distribution

This information is available to Secunia VIM customers

Remediation status

Secunia CSI, Secunia PSI

Automated scanning

Secunia CSI, Secunia PSI

Software:

c-ares 1.x

Secunia CVSS Score

This information is available to Secunia VIM Customers

CVE Reference(s)

CVE-2007-3152 CVSS score available to Secunia VIM customers
CVE-2007-3153 CVSS score available to Secunia VIM customers

Description

A vulnerability has been reported in c-ares, which can be exploited by malicious people to poison the DNS cache.

The vulnerability is caused due to predictable DNS "Transaction ID" field in DNS queries and can be exploited to poison the DNS cache of an application using the library if a valid ID is guessed.

The vulnerability is reported in versions prior to 1.4.0.

Solution
Update to version 1.4.0.

Provided and/or discovered by
The vendor credits Amit Klein.

Changelog
Further details available to Secunia VIM customers

Original Advisory
http://cool.haxx.se/cvs.cgi/curl/ares/CHANGES?rev=HEAD&content-type=text/vnd.viewcvs-markup

Deep Links
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: c-ares DNS Cache Poisoning Vulnerability

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Secunia Advisory SA25579

c-ares DNS Cache Poisoning Vulnerability

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