CVE-2015-7687

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
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.
Overview
  • CVE ID
  • CVE-2015-7687
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2017-10-16T18:29:00
  • Last Modified Date
  • 2017-11-01T11:50:35
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:openbsd:opensmtpd:*:*:*:*:*:*:*:* 1 OR 5.7.1
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.qualys.com/2015/10/02/opensmtpd-audit-report.txt Exploit Technical Description Third Party Advisory
https://www.opensmtpd.org/announces/release-5.7.2.txt Release Notes Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1268793 Issue Tracking Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/76975 Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2015/10/03/1 Mailing List Third Party Advisory VDB Entry
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169600.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170448.html Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2015-7687
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7687
History
Created Old Value New Value Data Type Notes
2022-05-10 08:12:53 Added to TrackCVE
2022-12-02 22:01:28 2017-10-16T18:29Z 2017-10-16T18:29:00 CVE Published Date updated
2022-12-02 22:01:28 2017-11-01T11:50:35 CVE Modified Date updated
2022-12-02 22:01:28 Analyzed Vulnerability Status updated