CVE request: Wireshark multiple vulnerabilities

[Agostino Sarubbo <ago () gentoo org>]

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.

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.

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.

-- 
Agostino Sarubbo                ago -at- gentoo.org
Gentoo/AMD64 Arch Security Liaison
GPG: 0x7CD2DC5D

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