CVE-2013-3556

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.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.54% Top 20%
Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory wireshark.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/53425 third party advisory
http://lists.opensuse.org/opensuse-updates/2013-06/msg00048.html vendor advisory
http://secunia.com/advisories/54425 third party advisory
http://www.wireshark.org/security/wnpa-sec-2013-25.html vendor advisory
http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml vendor advisory
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8599
http://lists.opensuse.org/opensuse-updates/2013-06/msg00196.html vendor advisory
https://www.wireshark.org/docs/relnotes/wireshark-1.6.15.html
http://anonsvn.wireshark.org/viewvc/trunk/epan/reassemble.c?r1=48943&r2=48942&pathrev=48943
http://lists.opensuse.org/opensuse-updates/2013-06/msg00083.html vendor advisory
http://anonsvn.wireshark.org/viewvc?view=revision&revision=48943
http://lists.opensuse.org/opensuse-updates/2013-06/msg00194.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-3556?
CVE-2013-3556 has been scored as a medium severity vulnerability.
How to fix CVE-2013-3556?
To fix CVE-2013-3556, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-3556 being actively exploited in the wild?
It is possible that CVE-2013-3556 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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