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CVE-2018-0739

Status Candidate

Overview

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).

Related Files

Red Hat Security Advisory 2019-0366-01
Posted Feb 22, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0366-01 - This release adds the new Apache HTTP Server 2.4.29 Service Pack 1 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.29, and includes bug fixes and enhancements. Issues addressed include bypass, denial of service, null pointer, out of bounds write, traversal, and use-after-free vulnerabilities.

tags | advisory, web, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2017-10140, CVE-2017-15710, CVE-2017-15715, CVE-2018-0739, CVE-2018-1000168, CVE-2018-11759, CVE-2018-11763, CVE-2018-1283, CVE-2018-1301, CVE-2018-1302, CVE-2018-1303, CVE-2018-1312, CVE-2018-1333
MD5 | 677751d5be68a0a89b505b85b6621cfd
Red Hat Security Advisory 2019-0367-01
Posted Feb 18, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0367-01 - Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core Services to allow for faster distribution of updates, and for a more consistent update experience. This release of Red Hat JBoss Core Services Apache HTTP Server 2.4.29 Service Pack 1 serves as an update to Red Hat JBoss Core Services Apache HTTP Server 2.4.29, and includes bug fixes for CVEs which are linked to in the References section. Issues addressed include bypass, denial of service, null pointer, out of bounds write, traversal, and use-after-free vulnerabilities.

tags | advisory, web, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2017-15710, CVE-2017-15715, CVE-2018-0739, CVE-2018-1000168, CVE-2018-11759, CVE-2018-11763, CVE-2018-1283, CVE-2018-1301, CVE-2018-1302, CVE-2018-1303, CVE-2018-1312, CVE-2018-1333
MD5 | 5914e90114ef4f2c7081a8afaed30780
Gentoo Linux Security Advisory 201811-21
Posted Nov 29, 2018
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201811-21 - Multiple vulnerabilities have been found in OpenSSL, the worst of which may lead to a Denial of Service condition. Versions less than 1.0.2o are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2018-0733, CVE-2018-0737, CVE-2018-0739
MD5 | c1102f7b8c5b3ed0dd1aed5afd6d2486
Red Hat Security Advisory 2018-3505-01
Posted Nov 6, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3505-01 - Red Hat Ansible Tower 3.3.1 is now available and contains a large amount of security fixes.

tags | advisory
systems | linux, redhat
advisories | CVE-2015-9262, CVE-2016-9396, CVE-2017-1000050, CVE-2017-18267, CVE-2017-3735, CVE-2018-0495, CVE-2018-0732, CVE-2018-0737, CVE-2018-0739, CVE-2018-1000805, CVE-2018-1060, CVE-2018-1061, CVE-2018-10733, CVE-2018-10767, CVE-2018-10768, CVE-2018-10844, CVE-2018-10845, CVE-2018-10846, CVE-2018-12384, CVE-2018-12910, CVE-2018-13988, CVE-2018-14679, CVE-2018-14680, CVE-2018-14681, CVE-2018-14682, CVE-2018-16837, CVE-2018-17456
MD5 | b7af30db27ef5f7b266ad41827d5a000
Red Hat Security Advisory 2018-3221-01
Posted Oct 31, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3221-01 - OpenSSL is a toolkit that implements the Secure Sockets Layer and Transport Layer Security protocols, as well as a full-strength general-purpose cryptography library. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, protocol
systems | linux, redhat
advisories | CVE-2017-3735, CVE-2018-0495, CVE-2018-0732, CVE-2018-0737, CVE-2018-0739
MD5 | 93916b2adeb03f0b0cd24738dda507b5
Red Hat Security Advisory 2018-3090-01
Posted Oct 31, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3090-01 - OVMF is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2018-0739
MD5 | 6f7dc29fa3c432cfc9c3e94c74fe72ec
Ubuntu Security Notice USN-3611-2
Posted Apr 18, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3611-2 - USN-3611-1 fixed a vulnerability in OpenSSL. This update provides the corresponding update for Ubuntu 12.04 ESM. It was discovered that OpenSSL incorrectly parsed the IPAddressFamily extension in X.509 certificates, resulting in an erroneous display of the certificate in text format. Various other issues were also addressed.

tags | advisory
systems | linux, ubuntu
advisories | CVE-2017-3735, CVE-2018-0739
MD5 | 5a55dc784c346e2d2354003510ee74eb
Debian Security Advisory 4158-1
Posted Mar 30, 2018
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4158-1 - It was discovered that constructed ASN.1 types with a recursive definition could exceed the stack, potentially leading to a denial of service.

tags | advisory, denial of service
systems | linux, debian
advisories | CVE-2018-0739
MD5 | e87b4f5609a3e61a6f9556d1dfb3d503
Debian Security Advisory 4157-1
Posted Mar 30, 2018
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4157-1 - Multiple vulnerabilities have been discovered in OpenSSL, a Secure Sockets Layer toolkit.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2017-3738, CVE-2018-0739
MD5 | 5983e5ea100d06ba1385d6480f4e7b75
OpenSSL Toolkit 1.1.0h
Posted Mar 29, 2018
Site openssl.org

OpenSSL is a robust, fully featured Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols with full-strength cryptography world-wide.

Changes: Addressed an issue where constructed ASN.1 types with a recursive definition could exceed the stack. Also address was an incorrect CRYPTO_memcmp on HP-UX PA-RISC amongst other issues.
tags | tool, encryption, protocol
systems | unix
advisories | CVE-2018-0733, CVE-2018-0739
MD5 | 5271477e4d93f4ea032b665ef095ff24
OpenSSL Toolkit 1.0.2o
Posted Mar 29, 2018
Site openssl.org

OpenSSL is a robust, fully featured Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols with full-strength cryptography world-wide.

Changes: Addressed an issue where constructed ASN.1 types with a recursive definition could exceed the stack.
tags | tool, encryption, protocol
systems | unix
advisories | CVE-2018-0739
MD5 | 44279b8557c3247cbe324e2322ecd114
Ubuntu Security Notice USN-3611-1
Posted Mar 29, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3611-1 - It was discovered that OpenSSL incorrectly handled certain ASN.1 types. A remote attacker could possibly use this issue to cause a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2018-0739
MD5 | ef9236b0b190353146a8e85628bc1d82
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