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CVE-2018-0739

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Date: March 27, 2018

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).

Language: C

Severity Score

Related Resources (37)

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Uncontrolled Recursion

CWE-674

Top Fix

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Upgrade Version

Upgrade to version nodejs - 8.11.1;nodejs - 9.11.0;finsec.poco-basic-windows-v140 - no_fix;OpenSSL.Static.Uwp - no_fix;finsec.poco-windows-v141 - no_fix;OpenSSL.Windows-1.0.2n - no_fix;openssl.v140_xp.windesktop.msvcstl.dyn.rt-static.x86 - no_fix;PicoTorrent.Libs - 0.12.0;PicoTorrent.Libs - 0.6.0;z3/t3build-node - 1.0.11;combat-dev-mingw64 - no_fix;emersonfxbx.openssl.v140.desktop.x86 - no_fix;emersonfxbx.openssl.v140.desktop.x64 - no_fix;rtools - no_fix;openssl-android - no_fix;zeroc.openssl.v140 - 1.0.2.5;openssl.v140.windesktop.msvcstl.static.rt-dyn.x86 - no_fix;openssl.v140_xp.windesktop.msvcstl.static.rt-static.x86 - no_fix;openssl.v140.windesktop.msvcstl.static.rt-dyn.x64 - no_fix;OpenSSL.Uwp - no_fix;cmake-binary - 3.9.1;openssl.v120.dyn-rt.static - no_fix;m2w64-openssl - no_fix;openssl-src - 110.0.2+1.1.0h;openssl - 1.0.2o;openssl.v140.windesktop.msvcstl.dyn.rt-dyn.x64 - no_fix;rmt_openssl - 1.1.0.3;openssl - 1.1.1d;openssl.v120.windesktop.msvcstl.dyn.rt-dyn.x86 - no_fix;openssl.v140.windesktop.msvcstl.dyn.rt-dyn.x86 - no_fix;finsec.poco-windows-v140 - no_fix;open_ssl - 1.1.0;Universal.OpenSSL - no_fix;StrawberryPerl64 - no_fix;hadouken.openssl - no_fix;openssl - 1.1.0.h-1;rmt.openssl - no_fix;grpc.dependencies.openssl - no_fix;openssl.v120.windesktop.msvcstl.static.rt-dyn.x64 - no_fix;epsitec-openssl - 1.0.2.1;zeroc.openssl.v120 - 1.0.2.5;grpc.experimentaldependencies.openssl - no_fix;luminix.openssl.android - no_fix;aerospike-client-c-dependencies - no_fix;openssl.v120.windesktop.msvcstl.dyn.rt-dyn.x64 - no_fix;openssl.v120.windesktop.msvcstl.static.rt-dyn.x86 - no_fix;org.webjars.npm:nodegit:no_fix

Learn More

CVSS v3.1

Base Score:
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

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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