CVE-2015-7687
Severity Score
9.8
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Use-after-free vulnerability in OpenSMTPD before 5.7.2 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via vectors involving req_ca_vrfy_smtp and req_ca_vrfy_mta.
Uso de memoria previamente liberada en OpenSMTPD en versiones anteriores a la 5.7.2 permite que atacantes remotos provoquen una denegación de servicio (cierre inesperado) o que ejecuten código arbitrario mediante vectores relacionados con req_ca_vrfy_smtp y req_ca_vrfy_mta.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2015-10-03 CVE Reserved
- 2017-10-16 CVE Published
- 2023-09-26 EPSS Updated
- 2024-08-06 CVE Updated
- 2024-08-06 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-416: Use After Free
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2015/10/03/1 | Mailing List |
|
| http://www.securityfocus.com/bid/76975 | Third Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1268793 | Issue Tracking |
| URL | Date | SRC |
|---|---|---|
| https://www.qualys.com/2015/10/02/opensmtpd-audit-report.txt | 2024-08-06 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Openbsd Search vendor "Openbsd" | Opensmtpd Search vendor "Openbsd" for product "Opensmtpd" | <= 5.7.1 Search vendor "Openbsd" for product "Opensmtpd" and version " <= 5.7.1" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 22 Search vendor "Fedoraproject" for product "Fedora" and version "22" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 23 Search vendor "Fedoraproject" for product "Fedora" and version "23" | - |
Affected
| ||||||