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Vulnerability record · CVE-2014-9376 · published 19 December 2014

CVE-2014-9376: Ettercap-project ettercap vulnerability

Ettercap Project · Ettercap

Integer underflow in Ettercap 0.8.1 allows remote attackers to cause a denial of service (out-of-bounds write) and possibly execute arbitrary code via a small (1) size variable value in the dissector_dhcp function in dissectors/ec_dhcp.c, (2) length value to the dissector_gg function in dissectors/ec_gg.c, or (3) string length to the get_decode_len function in ec_utils.c or a request without a (4) username or (5) password to the dissector_TN3270 function in dissectors/ec_TN3270.c.

7.5 CVSS 2.0 High EPSS 4.1% · top 9.5%
7.5CVSS 2.0 base score
4.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
16References
17 Jun 2026Last modified by NVD

Description

Integer underflow in Ettercap 0.8.1 allows remote attackers to cause a denial of service (out-of-bounds write) and possibly execute arbitrary code via a small (1) size variable value in the dissector_dhcp function in dissectors/ec_dhcp.c, (2) length value to the dissector_gg function in dissectors/ec_gg.c, or (3) string length to the get_decode_len function in ec_utils.c or a request without a (4) username or (5) password to the dissector_TN3270 function in dissectors/ec_TN3270.c.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/archive/1/534248/100/0/threaded
http://www.securityfocus.com/bid/71696
https://github.com/Ettercap/ettercap/pull/602
https://github.com/Ettercap/ettercap/pull/605
https://github.com/Ettercap/ettercap/pull/606
https://github.com/Ettercap/ettercap/pull/609
https://security.gentoo.org/glsa/201505-01
https://www.obrela.com/home/security-labs/advisories/osi-advisory-osi-1402/
http://www.securityfocus.com/archive/1/534248/100/0/threaded
http://www.securityfocus.com/bid/71696
https://github.com/Ettercap/ettercap/pull/602
https://github.com/Ettercap/ettercap/pull/605
https://github.com/Ettercap/ettercap/pull/606
https://github.com/Ettercap/ettercap/pull/609
https://security.gentoo.org/glsa/201505-01
https://www.obrela.com/home/security-labs/advisories/osi-advisory-osi-1402/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2014-9376), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.