CVE-2013-4074

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 60.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-06-09 · updated 2026-06-16
Weakness: CWE-189

Description

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.

Affected products

Debian Linux: 7.0
Opensuse: 11.4, 12.2, 12.3
Wireshark Foundation Wireshark: 1.6.0, 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.6.5 (+18)

References

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.html
http://secunia.com/advisories/53762
http://secunia.com/advisories/54425
http://www.debian.org/security/2013/dsa-2709
http://www.exploit-db.com/exploits/33556
http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2013:172

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