GHSA-C27R-X354-4M68 xml-crypto's HMAC-SHA1 signatures can bypass validation via key confusion

Impact An attacker can inject an HMAC-SHA1 signature that is valid using only knowledge of the RSA public key. This allows bypassing signature validation. Patches Version 2.0.0 has the fix. Workarounds The recommendation is to upgrade. In case that is not possible remove the...

Mbed TLS -- Local side channel attack on classical CBC decryption in (D)TLS

Manuel Pégourié-Gonnard reports: When decrypting/authenticating DTLS record in a connection using a CBC ciphersuite without the Encrypt-then-Mac extension RFC 7366, Mbed TLS used dummy rounds of the compression function associated with the hash used for HMAC in order to hide the length of the...

FreeBSD : typo3 -- multiple vulnerabilities (eab964f8-d632-11ea-9172-4c72b94353b5)

Typo3 Team reports : In case an attacker manages to generate a valid cryptographic message authentication code HMAC-SHA1 - either by using a different existing vulnerability or in case the internal encryptionKey was exposed - it is possible to retrieve arbitrary files of a TYPO3 installation. Thi...

CVE-2020-15099

In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.20, and greater than or equal to 10.0.0 and less than 10.4.6, in a case where an attacker manages to generate a valid cryptographic message authentication code HMAC-SHA1 - either by using a different existing vulnerability or in case t...

CVE-2020-15098

In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.20, and greater than or equal to 10.0.0 and less than 10.4.6, it has been discovered that an internal verification mechanism can be used to generate arbitrary checksums. This allows to inject arbitrary data having a valid cryptographic...

CVE-2020-15099

In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.20, and greater than or equal to 10.0.0 and less than 10.4.6, in a case where an attacker manages to generate a valid cryptographic message authentication code HMAC-SHA1 - either by using a different existing vulnerability or in case t...

Remote code execution

In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.20, and greater than or equal to 10.0.0 and less than 10.4.6, in a case where an attacker manages to generate a valid cryptographic message authentication code HMAC-SHA1 - either by using a different existing vulnerability or in case t...

Deserialization of untrusted data

In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.20, and greater than or equal to 10.0.0 and less than 10.4.6, it has been discovered that an internal verification mechanism can be used to generate arbitrary checksums. This allows to inject arbitrary data having a valid cryptographic...

CVE-2020-15099 Exposure of Sensitive Information to an Unauthorized Actor in TYPO3 CMS

In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.20, and greater than or equal to 10.0.0 and less than 10.4.6, in a case where an attacker manages to generate a valid cryptographic message authentication code HMAC-SHA1 - either by using a different existing vulnerability or in case t...

Potential Remote Code Execution in TYPO3 with mediace extension

Meta CVSS: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C 9.1 CWE-325, CWE-20, CWE-200, CWE-502 Problem It has been discovered that an internal verification mechanism can be used to generate arbitrary checksums. This allows to inject arbitrary data having a valid cryptographic message...

PT-2020-14182 · Typo3 · Typo3/Cms

Name of the Vulnerable Software and Affected Versions: TYPO3 CMS versions 9.0.0 through 9.5.19 TYPO3 CMS versions 10.0.0 through 10.4.5 Description: A flaw in the internal verification mechanism allows the generation of arbitrary checksums, enabling the injection of arbitrary data with a valid...

Sensitive Information Disclosure in extension "Media Content Element" (mediace)

It has been discovered that an internal verification mechanism can be used to generate arbitrary checksums. This allows to inject arbitrary data having a valid cryptographic message authentication code HMAC-SHA1 and can lead to various attack chains as described below...

typo3 -- multiple vulnerabilities

Typo3 Team reports: In case an attacker manages to generate a valid cryptographic message authentication code HMAC-SHA1 - either by using a different existing vulnerability or in case the internal encryptionKey was exposed - it is possible to retrieve arbitrary files of a TYPO3 installation. This...

Sensitive Information Disclosure

It has been discovered that an internal verification mechanism can be used to generate arbitrary checksums. This allows to inject arbitrary data having a valid cryptographic message authentication code HMAC-SHA1 and can lead to various attack chains as described below...

Potential Privilege Escalation

In case an attacker manages to generate a valid cryptographic message authentication code HMAC-SHA1 - either by using a different existing vulnerability or in case the internal encryptionKey was exposed - it is possible to retrieve arbitrary files of a TYPO3 installation. This includes the...

Critical vulnerability in legacy versions of TYPO3 CMS

It has been discovered that an internal verification mechanism can be used to generate arbitrary checksums. This allows to inject arbitrary data having a valid cryptographic message authentication code HMAC-SHA1 and can lead to various attack chains as described below...

Information Disclosure

github.com/pritunl/pritunl-client-electron is vulnerable to information disclosure. The client does not verify signature using HMAC SHA-512, allowing a man-in-the-middle attacker to intercept amd modify all the traffic through an attacker's VPN to reveal the confidential information...

CVE-2020-10282

The Micro Air Vehicle Link MAVLink protocol presents no authentication mechanism on its version 1.0 nor authorization whichs leads to a variety of attacks including identity spoofing, unauthorized access, PITM attacks and more. According to literature, version 2.0 optionally allows for package...

Authorization

The Micro Air Vehicle Link MAVLink protocol presents no authentication mechanism on its version 1.0 nor authorization whichs leads to a variety of attacks including identity spoofing, unauthorized access, PITM attacks and more. According to literature, version 2.0 optionally allows for package...

CVE-2020-10282

The CVE-2020-10282 entry concerns MAVLink, where version 1.0 has no authentication or authorization, enabling identity spoofing, unauthorized access, and man-in-the-middle-style attacks on MAVLink-based UAV communications. Some sources note MAVLink 2.0 adds a basic authentication mechanism (e.g.,...