CVE-2023-28321

An improper certificate validation vulnerability exists in curl v8.1.0 in the way it supports matching of wildcard patterns when listed as "Subject Alternative Name" in TLS server certificates. curl can be built to use its own name matching function for TLS rather than one provided by a TLS...

K000134706: Python IDNA vulnerability CVE-2022-45061

Security Advisory Description An issue was discovered in Python before 3.11.1. An unnecessary quadratic algorithm exists in one path when processing some inputs to the IDNA RFC 3490 decoder, such that a crafted, unreasonably long name being presented to the decoder could lead to a CPU denial of...

python: CPU denial of service via inefficient IDNA decoder

A vulnerability was discovered in Python. A quadratic algorithm exists when processing inputs to the IDNA RFC 3490 decoder, such that a crafted unreasonably long name being presented to the decoder could lead to a CPU denial of service. Hostnames are often supplied by remote servers that could be...

python: CPU denial of service via inefficient IDNA decoder

A vulnerability was discovered in Python. A quadratic algorithm exists when processing inputs to the IDNA RFC 3490 decoder, such that a crafted unreasonably long name being presented to the decoder could lead to a CPU denial of service. Hostnames are often supplied by remote servers that could be...

python: CPU denial of service via inefficient IDNA decoder

A vulnerability was discovered in Python. A quadratic algorithm exists when processing inputs to the IDNA RFC 3490 decoder, such that a crafted unreasonably long name being presented to the decoder could lead to a CPU denial of service. Hostnames are often supplied by remote servers that could be...

Debian: Security Advisory (DLA-25-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

K77241314: Python vulnerability CVE-2013-7440

Security Advisory Description The ssl.matchhostname function in CPython aka Python before 2.7.9 and 3.x before 3.3.3 does not properly handle wildcards in hostnames, which might allow man-in-the-middle attackers to spoof servers via a crafted certificate. CVE-2013-7440 Impact There is no impact; ...

python: CPU denial of service via inefficient IDNA decoder

A vulnerability was discovered in Python. A quadratic algorithm exists when processing inputs to the IDNA RFC 3490 decoder, such that a crafted unreasonably long name being presented to the decoder could lead to a CPU denial of service. Hostnames are often supplied by remote servers that could be...

SUSE CVE-2005-2871

Buffer overflow in the International Domain Name IDN support in Mozilla Firefox 1.0.6 and earlier, and Netscape 8.0.3.3 and 7.2, allows remote attackers to cause a denial of service crash and possibly execute arbitrary code via a hostname with all "soft" hyphens character 0xAD, which is not...

SUSE CVE-2011-0465

xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a 1 DHCP or 2 XDMCP message...

SUSE CVE-2012-6052

Wireshark 1.8.x before 1.8.4 allows remote attackers to obtain sensitive hostname information by reading pcap-ng files...

SUSE CVE-2013-2214

status.cgi in Nagios 4.0 before 4.0 beta4 and 3.x before 3.5.1 does not properly restrict access to certain users that are a contact for a service, which allows remote authenticated users to obtain sensitive information about hostnames via the servicegroup 1 overview, 2 summary, or 3 grid style i...

SUSE CVE-2015-1269

The DecodeHSTSPreloadRaw function in net/http/transportsecuritystate.cc in Google Chrome before 43.0.2357.130 does not properly canonicalize DNS hostnames before making comparisons to HSTS or HPKP preload entries, which allows remote attackers to bypass intended access restrictions via a string...

SUSE CVE-2015-7195

The URL parsing implementation in Mozilla Firefox before 42.0 improperly recognizes escaped characters in hostnames within Location headers, which allows remote attackers to obtain sensitive information via vectors involving a redirect...

SUSE CVE-2017-1000116

Mercurial prior to 4.3 did not adequately sanitize hostnames passed to ssh, leading to possible shell-injection attacks...

SUSE CVE-2018-1043

In Moodle 3.x, the setting for blocked hosts list can be bypassed with multiple A record hostnames...

SUSE CVE-2020-7042

An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL 1.0.2 or later. tunnel.c mishandles certificate validation because the hostname check operates on uninitialized memory. The outcome is that a valid certificate is never accepted only a malformed certificate may be accepted...

SUSE CVE-2021-3502

A flaw was found in avahi 0.8-5. A reachable assertion is present in avahishostnameresolverstart function allowing a local attacker to crash the avahi service by requesting hostname resolutions through the avahi socket or dbus methods for invalid hostnames. The highest threat from this...

SUSE CVE-2022-45061

An issue was discovered in Python before 3.11.1. An unnecessary quadratic algorithm exists in one path when processing some inputs to the IDNA RFC 3490 decoder, such that a crafted, unreasonably long name being presented to the decoder could lead to a CPU denial of service. Hostnames are often...

Denial Of Service (DoS)

avahi is vulnerable to Denial of Service DoS attacks. A reachable assertion is present in avahishostnameresolverstart function allowing a local attacker to crash the avahi service by requesting hostname resolutions through the avahi socket or dbus methods for invalid hostnames...