CVE-2017-8366
The strescape function in ec_strings.c in Ettercap 0.8.2 allows remote attackers to cause a...
CVE-2017-8366 is a critical vulnerability (CVSS 9.8) in Ettercap Project Ettercap, published April 30, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.71%, the 77th percentile. Fixed in ettercap 1:0.8.2-5.
The strescape function in ec_strings.c in Ettercap 0.8.2 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted filter that is mishandled by etterfilter.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The strescape function in ec_strings.c in Ettercap 0.8.2 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted filter that is mishandled by etterfilter.
- Record
CVE-2017-8366- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
The strescape function in ec_strings.c in Ettercap 0.8.2 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted filter that is mishandled by etterfilter.
- Record
CVE-2017-8366- Updated
- 2026-11-02
EUVDEUVD-2017-17325 No score
The strescape function in ec_strings.c in Ettercap 0.8.2 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted filter that is mishandled by etterfilter.
- Record
EUVD-2017-17325- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m7jr-j8j8-gcrx
The strescape function in ec_strings.c in Ettercap 0.8.2 allows remote attackers to cause a...
The strescape function in ec_strings.c in Ettercap 0.8.2 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted filter that is mishandled by etterfilter.
- Record
GHSA-m7jr-j8j8-gcrx- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
OSV
The strescape function in ec_strings.c in Ettercap 0.8.2 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted filter that is mishandled by etterfilter.
- Record
CVE-2017-8366- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2017-8366
The strescape function in ec_strings.c in Ettercap 0.8.2 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted filter that is mishandled by etterfilter.
- Record
DEBIAN-CVE-2017-8366- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-8366
The strescape function in ec_strings.c in Ettercap 0.8.2 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted filter that is mishandled by etterfilter.
- Record
UBUNTU-CVE-2017-8366- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVMGASA-2017-0173 No score
Updated ettercap packages fix security vulnerability
The strescape function in ec_strings.c in Ettercap 0.8.2 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted filter that is mishandled by etterfilter (CVE-2017-8366).
- Record
MGASA-2017-0173- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ettercapDebian:12 |
before 1:0.8.2-5 | 1:0.8.2-5 |
ettercapDebian:13 |
before 1:0.8.2-5 | 1:0.8.2-5 |
ettercapDebian:8 |
before 1:0.8.1-3+deb8u1, plus listed versions 1:0.8.1-3 |
1:0.8.1-3+deb8u1 |
ettercapMageia:5 |
before 0.8.2-1.1.mga5 | 0.8.2-1.1.mga5 |
ettercapUbuntu:14.04:LTS |
before 1:0.8.0-11ubuntu0.3, plus listed versions 1:0.7.6-11:0.8.0-61:0.8.0-111:0.8.0-11ubuntu0.1 |
1:0.8.0-11ubuntu0.3 |
ettercapUbuntu:16.04:LTS |
before 1:0.8.2-2ubuntu1.16.04.1, plus listed versions 1:0.8.2-21:0.8.2-2build1 |
1:0.8.2-2ubuntu1.16.04.1 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |