Design/Logic Flaw

The fix for CVE-2022-3437 included changing memcmp to be constant time and a workaround for a compiler bug by adding "!= 0" comparisons to the result of memcmp. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0 branches and possibly other branches a logic inversion sneaked...

CVE-2022-45142

The fix for CVE-2022-3437 included changing memcmp to be constant time and a workaround for a compiler bug by adding "!= 0" comparisons to the result of memcmp. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0 branches and possibly other branches a logic inversion sneaked...

CVE-2022-45142

The fix for CVE-2022-3437 included changing memcmp to be constant time and a workaround for a compiler bug by adding "!= 0" comparisons to the result of memcmp. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0 branches and possibly other branches a logic inversion sneaked...

CVE-2022-45142

The fix for CVE-2022-3437 included changing memcmp to be constant time and a workaround for a compiler bug by adding "!= 0" comparisons to the result of memcmp. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0 branches and possibly other branches a logic inversion sneaked...

CVE-2022-45142

CVE-2022-45142 is an issue in Heimdal where the backport of fixes for CVE-2022-3437 introduced a logic inversion that inverted MIC validation in gssapi/arcfour. Affected branches include heimdal-7.7.1 and 7.8.0 (and possibly other branches). The consequence is incorrect message integrity verifica...

CVE-2022-45142

The fix for CVE-2022-3437 included changing memcmp to be constant time and a workaround for a compiler bug by adding "!= 0" comparisons to the result of memcmp. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0 branches and possibly other branches a logic inversion sneaked...

USN-5849-1: Heimdal vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Canonical Ubuntu 18.04 Description Helmut Grohne discovered that Heimdal GSSAPI incorrectly handled logical conditions that are related to memory management operations. An attacker could possibly use this issue to...

Fedora: Security Advisory for gssntlmssp (FEDORA-2023-cb63c0f615)

The remote host is missing an update for the Copyright C 2023 Greenbone Networks GmbH 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-or-later This program is free software; you can...

[SECURITY] Fedora 37 Update: gssntlmssp-1.2.0-1.fc37

A GSSAPI Mechanism that implements NTLMSSP...

K15552: MIT Kerberos 5 vulnerability CVE-2014-4341

Security Advisory Description MIT Kerberos 5 aka krb5 before 1.12.2 allows remote attackers to cause a denial of service buffer over-read and application crash by injecting invalid tokens into a GSSAPI application session. CVE-2014-4341 Impact A remote attacker may be able to cause a denial of...

K6876: OpenSSH vulnerabilities CVE-2006-5052

Security Advisory Description Note : Versions that are not listed in this article have not been evaluated for vulnerability to this security advisory. For information about the F5 security policy regarding evaluating older and unsupported versions of F5 products, refer to K4602: Overview of the F...

K5860: GSSAPI authentication vulnerability in OpenSSH - CAN-2005-2798

Security Advisory Description Note : Versions that are not listed in this article have not been evaluated for vulnerability to this security advisory. For information about the F5 security policy regarding evaluating older and unsupported versions of F5 products, refer to K4602: Overview of the F...

CVE-2023-25566

A flaw was found in GSS-NTLMSSP, a mechglue plugin for the GSSAPI library that implements NTLM authentication. A memory leak can be triggered when parsing usernames, triggering a denial of service. The domain portion of a username may be overridden, causing an allocated memory area the size of th...

CVE-2023-25567

A flaw was found in GSS-NTLMSSP, a mechglue plugin for the GSSAPI library that implements NTLM authentication. It has an out-of-bounds read when decoding target information. The length of the avpair is not checked properly for two of the elements, which can trigger an out-of-bounds read via the...

CVE-2023-25564

A flaw was found in GSS-NTLMSSP, a mechglue plugin for the GSSAPI library that implements NTLM authentication. Memory corruption can be triggered when decoding UTF16 strings. The variable outlen was not initialized and could cause writing a zero to an arbitrary place in memory if the ntlmstrconve...

openSUSE 15 Security Update : gssntlmssp (openSUSE-SU-2023:0048-1)

The remote openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2023:0048-1 advisory. - GSS-NTLMSSP is a mechglue plugin for the GSSAPI library that implements NTLM authentication. Prior to version 1.2.0, multiple out-of-bounds rea...

SUSE CVE-2005-2798

sshd in OpenSSH before 4.2, when GSSAPIDelegateCredentials is enabled, allows GSSAPI credentials to be delegated to clients who log in using non-GSSAPI methods, which could cause those credentials to be exposed to untrusted users or hosts...

SUSE CVE-2006-5052

Unspecified vulnerability in portable OpenSSH before 4.4, when running on some platforms, allows remote attackers to determine the validity of usernames via unknown vectors involving a GSSAPI "authentication abort."...

SUSE CVE-2007-5471

libgssapi before 0.6-13.7, as used by the ISC BIND named daemon in SUSE Linux Enterprise Server 10 SP 1, terminates upon an initialization error, which allows remote attackers to cause a denial of service daemon exit via a GSS-TSIG request. NOTE: this issue probably affects other daemons that...

SUSE CVE-2011-5000

The sshgssapiparseename function in gss-serv.c in OpenSSH 5.8 and earlier, when gssapi-with-mic authentication is enabled, allows remote authenticated users to cause a denial of service memory consumption via a large value in a certain length field. NOTE: there may be limited scenarios in which...