On March 29th, Andres Freund, a Postgres developer, working at Microsoft, identified a response time while authenticating to openSSH on a Debian Sid installation that was about 500 ms longer as usual. He investigated the behaviour and concluded that liblzma, part of the xz library, was compromised by a complex backdoor injected into distribution packages […]
Backdoor in xz/liblzma (CVE-2024-3094) Read More »
On July 24th 2023, AMD has issued a security bulletin disclosing a vulnerability in its Zen2 computer processor microarchitecture. Named “Cross-Process Information Leak” by AMD, the vulnerability is also known as “Zenbleed”. Labelled CVE-2023-20593 and rated by AMD as Medium, the issue allows an attacker to potentially access sensitive information processed by the CPU in
CVE-2023-20593/Zenbleed Read More »
A wave of attacks is currently targetting ESXi servers. No OVHcloud managed service are impacted by this attack however, since a lot of customers are using this operating system on their own servers, we provide this post as a reference in support to help them in their remediation. These attacks are detected globally. According to
Ransomware targeting VMware ESXi Read More »
Update 22/12: 2 new vulnerabilities have been identify. Those vulnerabilities are also impacting the initial patchs (2.15.0 and 2.16.0): CVE-2021-45105 : Risk of Denial of Service (DOS) CVE-2021-45046 : Risk of information leak and remote code execution in some environments and local code execution in all environments Update 22/12: Updated table assessing the risks at
Log4shell, how to protect my cloud workloads Read More »
On December 10th, a group of security researchers published a security notice regarding a vulnerability in Log4j. Log4j is a library commonly used in Java environment to manage logging. Log4j versions 2.0 to 2.14.1 are affected by a vulnerability that may lead to remote code execution (RCE). Older versions of Log4j (1.X) might also be
Log4j vulnerability (CVE-2021-44228) Read More »
On March 2nd, Microsoft published a security patch for 4 vulnerabilities on Microsoft Exchange Server. Security researchers detected that those vulnerabilities are actively exploited for targeted attacks. The vulnerable version are: Microsoft Exchange Server 2010 Microsoft Exchange Server 2013 Microsoft Exchange Server 2016 Microsoft Exchange Server 2019 All OVHcloud Exchange managed services have been patched
Microsoft Exchange Server Vulnerabilities Read More »
OVH est officiellement en cours de qualification pour son offre Private Cloud. Cette première étape formelle dans le projet de qualification est l’occasion de faire un point sur le dispositif mis en place pour aligner son offre avec les exigences élevées du référentiel SecNumCloud dans l’objectif de fournir un cloud de confiance reconnu comme tel
Private Cloud en cours de qualification SecNumCloud Read More »
