Vulnerability Details CVE-2015-7687
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.101
EPSS Ranking 92.7%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170448.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169600.html
- http://www.openwall.com/lists/oss-security/2015/10/03/1
- http://www.securityfocus.com/bid/76975
- https://bugzilla.redhat.com/show_bug.cgi?id=1268793
- https://www.opensmtpd.org/announces/release-5.7.2.txt
- https://www.qualys.com/2015/10/02/opensmtpd-audit-report.txt
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170448.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169600.html
- http://www.openwall.com/lists/oss-security/2015/10/03/1
- http://www.securityfocus.com/bid/76975
- https://bugzilla.redhat.com/show_bug.cgi?id=1268793
- https://www.opensmtpd.org/announces/release-5.7.2.txt
- https://www.qualys.com/2015/10/02/opensmtpd-audit-report.txt
Products affected by CVE-2015-7687
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cpe:2.3:a:openbsd:opensmtpd:5.3.1
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cpe:2.3:a:openbsd:opensmtpd:5.3.2
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cpe:2.3:a:openbsd:opensmtpd:5.3.3
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cpe:2.3:a:openbsd:opensmtpd:5.4.1
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cpe:2.3:a:openbsd:opensmtpd:5.4.2
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cpe:2.3:a:openbsd:opensmtpd:5.7.1
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cpe:2.3:o:fedoraproject:fedora:22
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cpe:2.3:o:fedoraproject:fedora:23