CVE-2015-7687

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Published Oct 16, 2017 CVSS 3.0 · 9.8 Critical EPSS 4.1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:openbsd:opensmtpd:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:o:fedoraproject:fedora:22:::::::*
	cpe:2.3:o:fedoraproject:fedora:23:::::::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 4.1% (4.076% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
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

History

No history.

Subscriptions

Fedoraproject Fedora

Openbsd Opensmtpd

Weaknesses

CWE-416

Sources

CVE record Updated: Aug 6, 2024, 7:58 AM

Status: PUBLISHED
Assigner: mitre
Published: Oct 16, 2017, 6:00 PM
Updated: Aug 6, 2024, 7:58 AM
Reserved: Oct 3, 2015, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 12:32 AM

Status: Modified
Published: Oct 16, 2017, 6:29 PM
Modified: Jun 17, 2026, 12:32 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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