CVE-2015-7687
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.6 High
AI Score
Confidence
High
0.008 Low
EPSS
Percentile
81.5%
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.
Affected configurations
References
lists.fedoraproject.org/pipermail/package-announce/2015-November/170448.html
lists.fedoraproject.org/pipermail/package-announce/2015-October/169600.html
www.openwall.com/lists/oss-security/2015/10/03/1
www.securityfocus.com/bid/76975
bugzilla.redhat.com/show_bug.cgi?id=1268793
www.opensmtpd.org/announces/release-5.7.2.txt
www.qualys.com/2015/10/02/opensmtpd-audit-report.txt
Related
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.6 High
AI Score
Confidence
High
0.008 Low
EPSS
Percentile
81.5%