National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-0739 Detail

Current Description

Constructed ASN.1 types with a recursive definition (such as can be found in PKCS7) could eventually exceed the stack given malicious input with excessive recursion. This could result in a Denial Of Service attack. There are no such structures used within SSL/TLS that come from untrusted sources so this is considered safe. Fixed in OpenSSL 1.1.0h (Affected 1.1.0-1.1.0g). Fixed in OpenSSL 1.0.2o (Affected 1.0.2b-1.0.2n).

Source:  MITRE
Description Last Modified:  03/27/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.8


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html Patch Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.securityfocus.com/bid/103518 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/105609
http://www.securitytracker.com/id/1040576 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3090
https://access.redhat.com/errata/RHSA-2018:3221
https://access.redhat.com/errata/RHSA-2018:3505
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=2ac4c6f7b2b2af20c0e2b0ba05367e454cd11b33 Patch Vendor Advisory
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=9310d45087ae546e27e61ddf8f6367f29848220d Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00033.html Third Party Advisory
https://nodejs.org/en/blog/vulnerability/march-2018-security-releases/
https://security.netapp.com/advisory/ntap-20180330-0002/ Third Party Advisory
https://security.netapp.com/advisory/ntap-20180726-0002/
https://securityadvisories.paloaltonetworks.com/Home/Detail/133
https://usn.ubuntu.com/3611-1/ Third Party Advisory
https://usn.ubuntu.com/3611-2/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4157 Third Party Advisory
https://www.debian.org/security/2018/dsa-4158 Third Party Advisory
https://www.openssl.org/news/secadv/20180327.txt Vendor Advisory
https://www.tenable.com/security/tns-2018-04
https://www.tenable.com/security/tns-2018-06
https://www.tenable.com/security/tns-2018-07

Technical Details

Vulnerability Type (View All)

  • Uncontrolled Resource Consumption ('Resource Exhaustion') (CWE-400)

Change History

17 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-0739
NVD Published Date:
03/27/2018
NVD Last Modified:
11/07/2018