RHEL 7 : samba (RHSA-2021:4844)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4844 advisory. Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol,...

samba: SMB1 client connections can be downgraded to plaintext authentication

A flaw was found in the way samba implemented SMB1 authentication. An attacker could use this flaw to retrieve the plaintext password sent over the wire even if Kerberos authentication was required...

Microsoft Azure Sphere Security Monitor SMSyscallStageBaseManifests image validation signature check bypass vulnerability

Summary A signature check bypass vulnerability exists in the Security Monitor SMSyscallStageBaseManifests image validation functionality of Microsoft Azure Sphere 21.01. A specially crafted manifest can lead to a firmware downgrade. An attacker can use syscalls to trigger this vulnerability. Test...

SMB1 client connections can be downgraded to plaintext authentication

Description An attacker can downgrade a negotiated SMB1 client connection and its capabitilities. Kerberos authentication is only possible with the SMB2/3 protocol or SMB1 using the NT1 dialect and the extended security spnego capability. Without mandatory SMB signing the protocol can be downgrad...

New NPM library hijacks (coa and rc)

On Thursday, November 4, 2021, barely more than a week after ua-parser-js was hijacked, another popular NPM library called coa Command-Option-Argument, which is used in React packages around the world, was hijacked to distribute credential-stealing malware. The developer community noticed somethi...

GHSA-G2Q5-5433-RHRF Embedded malware in rc

The npm package rc had versions published with malicious code. Users of affected versions 1.2.9, 1.3.9, and 2.3.9 should downgrade to 1.2.8 as soon as possible and check their systems for suspicious activity. Any computer that has this package installed or running should be considered fully...

Embedded malware in rc

The npm package rc had versions published with malicious code. Users of affected versions 1.2.9, 1.3.9, and 2.3.9 should downgrade to 1.2.8 as soon as possible and check their systems for suspicious activity. Any computer that has this package installed or running should be considered fully...

Embedded malware in coa

The npm package coa had versions published with malicious code. Users of affected versions 2.0.3 and above should downgrade to 2.0.2 as soon as possible and check their systems for suspicious activity. See this issue for details as they unfold. Any computer that has this package installed or...

DEBIAN-CVE-2021-38502

Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated session to execute SMTP commands chosen by the MITM. If an unprotected authentication...

CVE-2021-38502

Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated session to execute SMTP commands chosen by the MITM. If an unprotected authentication...

CVE-2021-38502

Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated session to execute SMTP commands chosen by the MITM. If an unprotected authentication...

CVE-2021-38502

Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated session to execute SMTP commands chosen by the MITM. If an unprotected authentication...

CVE-2021-38502

Thunderbird is affected by CVE-2021-38502 where STARTTLS requirements for SMTP were ignored, enabling a MITM to downgrade to an unencrypted connection or hijack an authenticated session and potentially obtain credentials if unprotected methods are configured. Multiple connected advisories confirm...

CVE-2021-38502

Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated session to execute SMTP commands chosen by the MITM. If an unprotected authentication...

curl: Requirement to use TLS not properly enforced for IMAP, POP3, and FTP protocols

A flaw was found in curl. This flaw lies in the --ssl-reqd option or related settings in libcurl. Users specify this flag to upgrade to TLS when communicating with either IMAP, POP3 or a FTP server. An attacker controlling such servers could return a crafted response which could lead to curl clie...

curl security update

7.61.1-18.el84.2 - fix STARTTLS protocol injection via MITM CVE-2021-22947 - fix protocol downgrade required TLS bypass CVE-2021-22946...

PUB-A-194697257

In TBD of TBD, there is a possible downgrade attack due to under utilized anti-rollback protections. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation...

Security Bulletin: Vulnerability in Diffie-Hellman ciphers affects the IBM Installation Manager and IBM Packaging Utility (CVE-2015-4000)

Summary The Logjam Attack on TLS connections using the Diffie-Hellman DH key exchange protocol affects the IBM Installation Manager and IBM Packaging Utility. Vulnerability Details CVEID: CVE-2015-4000 DESCRIPTION: The TLS protocol could allow a remote attacker to obtain sensitive information,...

Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect the IBM Installation Manager and IBM Packaging Utility (CVE-2014-6593 and CVE-2015-0138)

Summary There are multiple vulnerabilities in IBM® Runtime Environment Java™ Technology Edition, Versions 6 and 7 that are used by IBM Installation Manager and IBM Packaging Utility. These issues were disclosed as part of the IBM Java SDK updates in January 2015. This bulletin also addresses the...

Oracle Linux 7 : thunderbird (ELSA-2021-3841)

The remote Oracle Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-3841 advisory. 91.2.0-1.0.1 - Replaced thunderbird-redhat-default-prefs.js with thunderbird-oracle-default-prefs.js 91.2.0-1 - Update to 91.2.0 build1 91.1.2-1 - Upda...