CVE-2009-4377

Public Exploit

Description

The (1) SMB and (2) SMB2 dissectors in Wireshark 0.9.0 through 1.2.4 allow remote attackers to cause a denial of service (crash) via a crafted packet that triggers a NULL pointer dereference, as demonstrated by fuzz-2009-12-07-11141.pcap.

4.3

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 1.51% Top 20%

Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory mandriva.com Vendor Advisory secunia.com Vendor Advisory vupen.com Vendor Advisory wireshark.org

Affected: n/a n/a

References

Link	Tags
http://osvdb.org/61178	vdb entry
http://www.debian.org/security/2009/dsa-1983	vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9564	vdb entry signature
http://secunia.com/advisories/37916	third party advisory
http://secunia.com/advisories/37842	third party advisory vendor advisory
http://www.vupen.com/english/advisories/2009/3596	vdb entry vendor advisory
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01248.html	vendor advisory
http://www.securityfocus.com/bid/37407	vdb entry exploit
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4301	exploit
http://www.securitytracker.com/id?1023374	vdb entry
http://www.mandriva.com/security/advisories?name=MDVSA-2010:031	vendor advisory
http://www.wireshark.org/security/wnpa-sec-2009-09.html	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2009-4377?: CVE-2009-4377 has been scored as a medium severity vulnerability.
How to fix CVE-2009-4377?: To fix CVE-2009-4377, 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-2009-4377 being actively exploited in the wild?: It is possible that CVE-2009-4377 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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