Re: CVE request: Wireshark multiple vulnerabilities

[Kurt Seifried <kseifried () redhat com>]

On 01/11/2012 09:19 AM, Agostino Sarubbo wrote:
> According to secunia advisory: https://secunia.com/advisories/47494/ :
>
> Multiple vulnerabilities have been reported in Wireshark, which can be 
> exploited by malicious people to cause a DoS (Denial of Service) and 
> compromise a user's system.
>
> 1) NULL pointer dereference errors when reading certain packet information can 
> be exploited to cause a crash.
>
> 2) An error within the RLC dissector can be exploited to cause a buffer 
> overflow via a specially crafted RLC packet capture file.
>
> and according with upstream advisory:
>
> 1)http://www.wireshark.org/security/wnpa-sec-2012-01.html
> Name: Multiple Wireshark file parser vulnerabilities
> Description:
> Laurent Butti discovered that Wireshark failed to properly check record sizes 
> for many packet capture file formats.
> Impact:
> It may be possible to make Wireshark crash by convincing someone to read a 
> malformed packet trace file.
Please use CVE-2012-0041 for this issue
> 2)http://www.wireshark.org/security/wnpa-sec-2012-02.html
> Name: Wireshark NULL pointer vulnerabilities
> Description:
> Wireshark was improperly handling NULL pointers when displaying packet 
> information which could lead to a crash.
> Impact:
> It may be possible to make Wireshark crash by injecting a malformed packet 
> onto the wire or by convincing someone to read a malformed packet trace file.
Please use CVE-2012-0042 for this issue
> 3)http://www.wireshark.org/security/wnpa-sec-2012-03.html
> Name: Wireshark RLC dissector buffer overflow
> Description:
> The RLC dissector could overflow a buffer.
> Impact:
> It may be possible to make Wireshark crash by injecting a malformed packet 
> onto the wire or by convincing someone to read a malformed packet trace file.
Please use CVE-2012-0043 for this issue

-- 

-- Kurt Seifried / Red Hat Security Response Team