A backdoor in liblzma library, a part of XZ data compression tool was discovered by Andres Freund. The maintainer of the distribution noticed a half-second delay in the updated version, which eventually led him to the flaw. The latter appears to be the brainchild of one of the new XZ maintainers, who pulled off an… Continue reading XZ Utils Backdoor Discovered, Threating Linux Servers
Tag: vulnerability
Microsoft SharePoint Vulnerability Exploited, Update Now
In late March 2024, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) issued the alert regarding the exploitation of a flaw in Microsoft SharePoint. It was detected back in September 2023, but the facts of active exploitation surfaced only recently. Fortunately, Microsoft offers updates that fix the flaw. Remote code execution vulnerability A vulnerability designated… Continue reading Microsoft SharePoint Vulnerability Exploited, Update Now
GoFetch Vulnerability in Apple Silicon Uncovered
Researchers uncovered a vulnerability in Apple Silicon processors, dubbed GoFetch. It allows attackers to extract secret keys from Mac computers while performing widespread cryptographic operations. Notably, it is practically impossible to patch the flaw as it stems from the microarchitecture of the processor. Apple Silicon Vulnerability Allows Hackers to Extract Encryption Keys Researchers have discovered… Continue reading GoFetch Vulnerability in Apple Silicon Uncovered
Fortinet RCE Vulnerability Affects FortiClient EMS Servers
Fortinet disclosed a critical vulnerability affecting FortiClient EMS products in March 2024. This vulnerability, categorized as an SQL injection, poses a significant cybersecurity threat. Above all, it has the potential to allow remote attackers to execute arbitrary commands on administrative workstations. Fortinet SQLi Vulnerability Causes Remote Code Execution As I mentioned, the vulnerability is classified… Continue reading Fortinet RCE Vulnerability Affects FortiClient EMS Servers
BianLian Exploits TeamCity Vulnerability to Deploy Backdoors
BianLian, a group of cybercriminals known for their ransomware attacks, recently caught the attention of the information security community. By exploiting vulnerabilities in the JetBrains TeamCity platform, they managed to carry out multistage cyberattacks. Threat actors reportedly start their attack chain with a Golang-based backdoor, and work their way all the way to the ransomware… Continue reading BianLian Exploits TeamCity Vulnerability to Deploy Backdoors
New Fortinet VPN RCE Flaw Discovered, Patch ASAP
Fortinet has issued a warning about a recently discovered critical vulnerability in its FortiOS SSL VPN system that could be actively exploited by attackers. The vulnerability in Fortinet network security solutions poses a significant threat to organizations. It allows unauthenticated attackers to gain remote code execution (RCE) capabilities through maliciously crafted requests. Fortinet VPN RCE… Continue reading New Fortinet VPN RCE Flaw Discovered, Patch ASAP
Shim Bootloader Vulnerability Affects Linux Systems
Researchers have identified a critical vulnerability in Shim, a widely-used Linux bootloader. This vulnerability could potentially allow attackers to execute malicious code and gain control of target systems before the kernel is even loaded. This flaw raises significant concerns because it can bypass security mechanisms. These mechanisms are typically enforced by the kernel and the… Continue reading Shim Bootloader Vulnerability Affects Linux Systems
Third Ivanti VPN Vulnerability Under Massive Exploitation
Experts have discovered a third Server Side Request Forgery (SSRF) vulnerability in Ivanti products. This is a serious security issue for corporate VPN devices. The new vulnerability allows unauthorized access to restricted resources that were available only after authentication. Ivanti SSRF Vulnerability Exploited Ivanti, a renowned corporate VPN appliance provider, has issued a warning regarding… Continue reading Third Ivanti VPN Vulnerability Under Massive Exploitation
Docker API Vulnerability Exploited in Cryptojacking Campaign
A new campaign named “Commando Cat” uses a Docker API vulnerability. It uses Docker to gain initial access to a system and then deploys a series of malicious payloads. This leads to cryptocurrency mining on compromised hosts. Docker API Vulnerability Exploited Investigators have discovered a new malware campaign aimed at Docker API endpoints. The malware… Continue reading Docker API Vulnerability Exploited in Cryptojacking Campaign
Mastodon Vulnerability Allows for Account Takeover
A security vulnerability loophole discovered by cybersecurity experts has revealed that decentralized social network Mastodon contains a critical vulnerability. Also, the flaw could potentially allow attackers to gain unauthorized access and take control of user accounts. Fortunately, the fix is already available. Mastodon Account Takeover Vulnerability Published Given the potential impact and the ease with… Continue reading Mastodon Vulnerability Allows for Account Takeover