CVE-2023-1255

Issue summary: The AES-XTS cipher decryption implementation for 64 bit ARM platform contains a bug that could cause it to read past the input buffer, leading to a crash. Impact summary: Applications that use the AES-XTS algorithm on the 64 bit ARM platform can crash in rare circumstances. The...

CVE-2022-45170

An issue was discovered in LIVEBOX Collaboration vDesk through v018. A Cryptographic Issue can occur under the /api/v1/vencrypt/decrypt/file endpoint. A malicious user, logged into a victim's account, is able to decipher a file without knowing the key set by the user...

Automating Qakbot decode at scale

This is a technical post covering practical methodology to extract configuration data from recent Qakbot samples. In this blog, I will provide some background on Qakbot, then walk through decode themes in an easy to visualize manner. I will then share a Velociraptor artifact to detect and automat...

CVE-2022-45170

An issue was discovered in LIVEBOX Collaboration vDesk through v018. A Cryptographic Issue can occur under the /api/v1/vencrypt/decrypt/file endpoint. A malicious user, logged into a victim's account, is able to decipher a file without knowing the key set by the user...

EulerOS 2.0 SP8 : openssl (EulerOS-SA-2023-1602)

According to the versions of the openssl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A timing based side channel exists in the OpenSSL RSA Decryption implementation which could be sufficient to recover a plaintext across a netwo...

QNAP QTS / QuTS hero Multiple Vulnerabilities in OpenSSL (QSA-23-15)

The version of QNAP QTS / QuTS hero installed on the remote host is affected by multiple vulnerabilities as referenced in the QSA-23-15 advisory. - A timing based side channel exists in the OpenSSL RSA Decryption implementation which could be sufficient to recover a plaintext across a network in ...

MGASA-2023-0130 Updated openssl packages fix security vulnerability

A read buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed the malicious certificate or for the application to continue certificate...

Updated openssl packages fix security vulnerability

A read buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed the malicious certificate or for the application to continue certificate...

CVE-2023-28765 Information Disclosure vulnerability in SAP BusinessObjects Business Intelligence Platform (Promotion Management )

An attacker with basic privileges in SAP BusinessObjects Business Intelligence Platform Promotion Management - versions 420, 430, can get access to lcmbiar file and further decrypt the file. After this attacker can gain access to BI user’s passwords and depending on the privileges of the BI user,...

Rocky Linux 8 : gnutls (RLSA-2023:1569)

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2023:1569 advisory. - A timing side-channel in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. This side-channel can be sufficient to recover the key...

AlmaLinux 8 : gnutls (ALSA-2023:1569)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2023:1569 advisory. - A timing side-channel in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. This side-channel can be sufficient to recover the key encrypte...

DEBIAN-CVE-2023-28999

Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files,...

CVE-2023-28999

Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files,...

CVE-2023-28999 Nextcloud: Lack of authenticity of metadata keys allows a malicious server to gain access to E2EE folders

Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files,...

gnutls: timing side-channel in the TLS RSA key exchange code

A timing side-channel vulnerability was found in RSA ClientKeyExchange messages in GnuTLS. This side-channel may be sufficient to recover the key encrypted in the RSA ciphertext across a network in a Bleichenbacher style attack. To achieve a successful decryption, the attacker would need to send ...

Desktop clients misbehaves with end-to-end encryption when the server returns an empty list of metadata keys

None...

Oracle Linux 8 : gnutls (ELSA-2023-1569)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-1569 advisory. 3.6.16-6 - Fix x8664 CPU feature detection when AVX is not available 2131152 - Fix timing side-channel in TLS RSA key exchange 2162598 Tenable has extracted the...

Security Bulletin: IBM Aspera Faspex 5.0.5 has addressed CVE-2022-4304

Summary This Security Bulletin addresses OpenSSL CVE-2022-4304 where an attacker could obtain sensitve nformation, caused by a timing-based side channel in the RSA Decryption implementation. Vulnerability Details CVEID:CVE-2022-4304 DESCRIPTION: OpenSSL could allow a remote attacker to obtain...

Not just an infostealer: Gopuram backdoor deployed through 3CX supply chain attack

On March 29, Crowdstrike published a report about a supply chain attack conducted via 3CXDesktopApp, a popular VoIP program. Since then, the security community has started analyzing the attack and sharing their findings. The following has been discovered so far: The infection is spread via...

Cisco Firepower Threat Defense Software SSL Decryption Policy Bleichenbacher Attack (cisco-sa-ftd-tls-bb-rCgtmY2)

A vulnerability in the TLS handler of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to gain access to sensitive information. This vulnerability is due to improper implementation of countermeasures against a Bleichenbacher attack on a device that uses...