CVE-2013-4074

The dissect_capwap_data function in epan/dissectors/packet-capwap.c in the CAPWAP dissector in Wireshark 1.6.x before 1.6.16 and 1.8.x before 1.8.8 incorrectly uses a -1 data value to represent an error condition, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

• CWE-189

• http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-capwap.c?r1=43716&r2=43715&pathrev=43716
• http://anonsvn.wireshark.org/viewvc?view=revision&revision=43716
• http://lists.opensuse.org/opensuse-updates/2013-06/msg00194.html
• http://lists.opensuse.org/opensuse-updates/2013-06/msg00196.html
• http://osvdb.org/show/osvdb/94091
• http://packetstormsecurity.com/files/126848/Wireshark-CAPWAP-Dissector-Denial-Of-Service.htmlExploit
• http://secunia.com/advisories/53762
• http://secunia.com/advisories/54425
• http://www.debian.org/security/2013/dsa-2709
• http://www.exploit-db.com/exploits/33556Exploit
• http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:172
• http://www.wireshark.org/docs/relnotes/wireshark-1.6.16.htmlVendor Advisory
• http://www.wireshark.org/docs/relnotes/wireshark-1.8.8.htmlVendor Advisory
• http://www.wireshark.org/security/wnpa-sec-2013-32.htmlVendor Advisory
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8725Vendor Advisory
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16698
• http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-capwap.c?r1=43716&r2=43715&pathrev=43716
• http://anonsvn.wireshark.org/viewvc?view=revision&revision=43716
• http://lists.opensuse.org/opensuse-updates/2013-06/msg00194.html
• http://lists.opensuse.org/opensuse-updates/2013-06/msg00196.html
• http://osvdb.org/show/osvdb/94091
• http://packetstormsecurity.com/files/126848/Wireshark-CAPWAP-Dissector-Denial-Of-Service.htmlExploit
• http://secunia.com/advisories/53762
• http://secunia.com/advisories/54425
• http://www.debian.org/security/2013/dsa-2709
• http://www.exploit-db.com/exploits/33556Exploit
• http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:172
• http://www.wireshark.org/docs/relnotes/wireshark-1.6.16.htmlVendor Advisory
• http://www.wireshark.org/docs/relnotes/wireshark-1.8.8.htmlVendor Advisory
• http://www.wireshark.org/security/wnpa-sec-2013-32.htmlVendor Advisory
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8725Vendor Advisory
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16698

Published

Jun 9, 2013

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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