Design/Logic Flaw

The Remote Client and change management integrations in IBM Rational ClearCase 7.1.x, 8.0.0.x before 8.0.0.18, and 8.0.1.x before 8.0.1.11 do not properly validate hostnames in X.509 certificates from SSL servers, which allows remote attackers to spoof servers and obtain sensitive information or...

CVE-2015-5039

The Remote Client and change management integrations in IBM Rational ClearCase 7.1.x, 8.0.0.x before 8.0.0.18, and 8.0.1.x before 8.0.1.11 do not properly validate hostnames in X.509 certificates from SSL servers, which allows remote attackers to spoof servers and obtain sensitive information or...

CVE-2015-5039: Undefined Security Weakness

The Remote Client and change management integrations in IBM Rational ClearCase 7.1.x, 8.0.0.x before 8.0.0.18, and 8.0.1.x before 8.0.1.11 do not properly validate hostnames in X.509 certificates from SSL servers, which allows remote attackers to spoof servers and obtain sensitive information or...

Internet Bug Bounty: Silent omission of certificate hostname verification in LibreSSL and BoringSSL

Abstract LibreSSL and BoringSSL implemented X509VERIFYPARAMset1host differently than OpenSSL. All applications that use the preferred and documented way to configure a TLS connection for hostname validation, silently neglect to perform hostname validation at all. As a consequence, they are...

Keybase: Keybase extension hostname-validation regular expression issue.

Description The following snippet in js/identities.js allows all hostnames ending in twitter.com, facebook.com, etc. to display the Keybase message window. The issue stems from the fact that you use . instead of \. in your regular expression. js service: "twitter", getUsername: functionloc return...

Ruby http gem man-in-the-middle attack vulnerability

The Ruby http gem is a standard package for managing Ruby libraries and programs. A man-in-the-middle attack vulnerability exists in Ruby http gem versions prior to 0.7.3, which stems from the program failing to validate the hostname during an SSL connection. A remote attacker could use this...

Security update for ruby2.1 (important)

This ruby2.1 update to version 2.1.9 fixes the following issues: Security issues fixed: - CVE-2016-2339: heap overflow vulnerability in the Fiddle::Function.new"initialize" bsc1018808 - CVE-2015-7551: Unsafe tainted string usage in Fiddle and DL bsc959495 - CVE-2015-3900: hostname validation does...

SUSE-SU-2017:1067-1 Security update for ruby2.1

This ruby2.1 update to version 2.1.9 fixes the following issues: Security issues fixed: - CVE-2016-2339: heap overflow vulnerability in the Fiddle::Function.new'initialize' bsc1018808 - CVE-2015-7551: Unsafe tainted string usage in Fiddle and DL bsc959495 - CVE-2015-3900: hostname validation does...

RUSTSEC-2017-0003 Hostname verification skipped when custom root certs used

If custom root certificates were registered with a ClientBuilder, the hostname of the target server would not be validated against its presented leaf certificate. This issue was fixed by properly configuring the trust evaluation logic to perform that check...

python: ssl.match_hostname() DoS via certificates with specially crafted hostname wildcard patterns

A denial of service flaw was found in the way Python's SSL module implementation performed matching of certain certificate names. A remote attacker able to obtain a valid certificate that contained multiple wildcard characters could use this flaw to issue a request to validate such a certificate,...

IBM Rational ClearCase Unauthorized Operation Vulnerability

IBM Rational ClearCase is a suite of software configuration management solutions from IBM in the United States. The solution provides version control, workspace management, parallel development support and build auditing. A security vulnerability exists in IBM Rational ClearCase that stems from t...

Proxmox VE Insecure Hostname Checking Vulnerability

Proxmox VE Proxmox Virtual Environment is an environment with integrated OPENVZ support for KVM applications. Since Proxmox VE fails to validate the "hostname" parameter provided by the user, CRLF injection is able to overwrite the configuration file. Attackers are able to obtain user credentials...

mysql: ssl-validate-cert incorrect hostname check

It was found that the MariaDB client library did not properly check host names against server identities noted in the X.509 certificates when establishing secure connections using TLS/SSL. A man-in-the-middle attacker could possibly use this flaw to impersonate a server to a client...

Design/Logic Flaw

RubyGems 2.0.x before 2.0.17, 2.2.x before 2.2.5, and 2.4.x before 2.4.8 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record with a domain that is suffixed with the original...

RubyGems Redirection Vulnerability

RubyGems is a Ruby package manager from the RubyGems organization, which is used to distribute and manage Ruby packages. RubyGems programs fail to validate hostnames when fetching gem or constructing API requests, allowing remote attackers to submit specially crafted DNS SRV records to redirect...

DEBIAN-CVE-2015-3900

RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record, aka a "DNS hijack attack."...

CVE-2015-3900

RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record, aka a "DNS hijack attack."...

CVE-2015-3900

RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record, aka a "DNS hijack attack."...

CVE-2015-3900: Undefined Security Weakness

RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record, aka a "DNS hijack attack."...

CVE-2015-1376

pixabay-images.php in the Pixabay Images plugin before 2.4 for WordPress does not validate hostnames, which allows remote authenticated users to write to arbitrary files via an upload URL with a host other than pixabay.com...