Vulnerability CVE-2013-3556
Published: 2013-05-24   Modified: 2013-05-25

Description:
The fragment_add_seq_common function in epan/reassemble.c in the ASN.1 BER dissector in Wireshark before r48943 has an incorrect pointer dereference during a comparison, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Wireshark 1.8.7/1.6.15 Multiple Vulns
Jan
21.05.2013

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Wireshark -> Wireshark 
Opensuse -> Opensuse 
Novell -> Opensuse 
Debian -> Debian linux 

 References:
http://anonsvn.wireshark.org/viewvc/trunk/epan/reassemble.c?r1=48943&r2=48942&pathrev=48943
http://anonsvn.wireshark.org/viewvc?view=revision&revision=48943
http://lists.opensuse.org/opensuse-updates/2013-06/msg00048.html
http://lists.opensuse.org/opensuse-updates/2013-06/msg00083.html
http://lists.opensuse.org/opensuse-updates/2013-06/msg00194.html
http://lists.opensuse.org/opensuse-updates/2013-06/msg00196.html
http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml
http://www.wireshark.org/security/wnpa-sec-2013-25.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8599
https://www.wireshark.org/docs/relnotes/wireshark-1.6.15.html
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