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Aircrack-ng 1.2 Beta 3 DoS / Code Execution

Aircrack-ng 1.2 Beta 3 DoS / Code Execution
Posted Nov 3, 2014
Authored by Nick Sampanis

Aircrack-ng version 1.2 Beta 3 suffers from code execution, denial of service, and privilege escalation vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability, code execution
advisories | CVE-2014-8321, CVE-2014-8322, CVE-2014-8323, CVE-2014-8324
SHA-256 | f3e7c8a63cbec61d5c78827efb02d49d9d05689624c2f7561f5febd98b07fd60

Aircrack-ng 1.2 Beta 3 DoS / Code Execution

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"Aircrack-ng 1.2 Beta 3" multiple vulnerabilities

Description:
--------------------------------
Four vulnerabilities exist on aircrack-ng <= 1.2 Beta 3 which allow remote/local code execution, privilege escalation and denial of service. Specifically, the following vulnerabilities were identified:

- A stack overflow at airodump-ng gps_tracker() which may lead to
code execution, privilege escalation.
- A length parameter inconsistency at aireplay tcp_test() which may
lead to remote code execution.
- A missing check for data format at buddy-ng which may lead to
denial of service.
- A missing check for invalid values at airserv-ng net_get() which
may lead to denial of service.


Researcher:
---------------------------------
Nick Sampanis (n.sampanis[a t]obrela[do t]com)


Vulnerabilities:
----------------------------------
gps_tracer stack overflow CVE-2014-8321
tcp_test length parameter inconsistency CVE-2014-8322
buddy-ng missing check in data format CVE-2014-8323
net_get missing check for invalid values CVE-2014-8324


Bugs and fixes submit date:
-----------------------------------
3/10/2014


Impact:
-----------------------------------
CVE-2014-8321: Severity: High AV: Local Impact type: Code execution/Privilege escalation
CVE-2014-8322: Severity: Critical AV: Remote Impact type: Code execution
CVE-2014-8323: Severity: High AV: Remote Impact type: Denial of service
CVE-2014-8324: Severity: High AV: Remote Impact type: Denial of service

Solution - fix & patch:
------------------------------------
Kali linux(and maybe some other distros) use to distribute aircrack-ng package
without stack cookie protection which makes CVE-2014-8322 easily exploitable.
The new package with stack cookie protection enabled is called debian/1.2-beta3-0kali3.

Download the respective commits from github. Soon a new version
will be released but at the time there is no patched version.

https://github.com/aircrack-ng/aircrack-ng/commit/ff70494dd389ba570dbdbf36f217c28d4381c6b5
https://github.com/aircrack-ng/aircrack-ng/commit/091b153f294b9b695b0b2831e65936438b550d7b
https://github.com/aircrack-ng/aircrack-ng/commit/da087238963c1239fdabd47dc1b65279605aca70
https://github.com/aircrack-ng/aircrack-ng/commit/88702a3ce4c28a973bf69023cd0312f412f6193e

Reference:
------------------------------------
https://www.obrela.com/home/security-labs/advisories/osi-advisory-osi-1401/
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