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CVE-2015-7687

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Date: October 16, 2017

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.

Language: C

Severity Score

Related Resources (10)

http://www.openwall.com/lists/oss-security/2015/10/03/1
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170448.html
https://www.qualys.com/2015/10/02/opensmtpd-audit-report.txt
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169600.html
http://www.securityfocus.com/bid/76975
https://nvd.nist.gov/vuln/detail/CVE-2015-7687
https://www.opensmtpd.org/announces/release-5.7.2.txt
https://people.canonical.com/~ubuntu-security/cve/CVE-2015-7687
https://bugzilla.redhat.com/show_bug.cgi?id=1268793
https://www.mend.io/vulnerability-database/CVE-2015-7687

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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