by CIRT Team
CVE-2022-42889: Apache Commons Text prior to 1.10.0 allows RCE when applied to untrusted input due to insecure interpolation defaults
Vulnerability Description:Apache Commons Text performs variable interpolation, allowing properties to be dynamically evaluated and expanded. The standard format for interpolation is “${prefix:name}”, where “prefix” is used to locate an instance of org.apache.commons.text.lookup.StringLookup that performs the interpolation. Starting with version 1.5 and continuing through 1.9, the set of default Lookup instances included interpolators that could result in arbitrary code execution or contact with remote servers. These...
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by CIRT Team
CVE-2022-41352: Remote Code Execution Vulnerability in Zimbra Collaboration Suite
CVSS 3.0: 9.8 (Critical) Vulnerability DescriptionAn issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0. An attacker can upload arbitrary files through amavisd via a cpio loophole (extraction to /opt/zimbra/jetty/webapps/zimbra/public) that can lead to incorrect access to any other user accounts. Zimbra recommends pax over cpio. Also, pax is in the prerequisites of Zimbra on Ubuntu; however, pax is no longer part of a...
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by CIRT Team
CVE-2022-40684: Critical Authentication Bypass in FortiOS and FortiProxy
An authentication bypass using an alternate path or channel vulnerability [CWE-288] in FortiOS, FortiProxy and FortiSwitchManager may allow an unauthenticated attacker to perform operations on the administrative interface via specially crafted HTTP or HTTPS requests. Exploitation Status: Fortinet recommends immediately validating systems against the following indicator of compromise in the device’s logs: user=”Local_Process_Access” Affected ProductsFortiOS version 7.2.0 through 7.2.1FortiOS version 7.0.0 through 7.0.6FortiProxy version 7.2.0FortiProxy...
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CVE-2022-40684: Critical Authentication Bypass in FortiOS and FortiProxy
An authentication bypass using an alternate path or channel vulnerability [CWE-288] in FortiOS, FortiProxy and FortiSwitchManager may allow an unauthenticated atttacker to perform operations on the administrative interface via specially crafted HTTP or HTTPS requests. Exploitation Status: Fortinet recommends immediately validating systems against the following indicator of compromise in the device’s logs:user=”Local_Process_Access” Affected ProductsFortiOS version 7.2.0 through 7.2.1FortiOS version 7.0.0 through 7.0.6FortiProxy version 7.2.0FortiProxy version...
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Palo Alto Recognizes Vulnerability Impacting PAN-OS® (CVE-2022-0028)
Global Critical Infrastructure Potentially Vulnerable To Reflected Amplification-Based Denial-Of-Service (RDoS) Attacks Introduction Over the past few weeks, Cyble Research & Intelligence Labs has observed the active exploitation of a recently discovered vulnerability found in the Palo Alto Networks’ PAN-OS operating system that runs the firewalls and could allows a remote Threat Actor (TA) to conduct reflected and amplified TCP denial-of-service (RDoS) attacks against the their...
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New Android Banking Trojan Zanubis Spotted In The Wild.
Cyble Research and Intelligence Labs (CRIL) has been tracking the activities of various Android Banking Trojans such as Hydra, Ermac, and Amextroll, amongst several others. During a routine threat-hunting exercise, we came across a Twitter post where a researcher mentioned a malware sample. After an in-depth analysis, the malware was identified as a new Android Banking Trojan variant targeting over 40 applications from Peru. The Threat Actor (TA) uses the...
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Zeppelin Ransomware
Technical Details Note: this advisory uses the MITRE ATT&CK® for Enterprise framework, version 11. See MITRE ATT&CK for Enterprise for all referenced tactics and techniques. Zeppelin ransomware is a derivative of the Delphi-based Vega malware family and functions as a Ransomware as a Service (RaaS). From 2019 through at least June 2022, actors have used this malware to target a wide range of businesses and critical infrastructure...
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by CIRT Team
Threat Actors Exploiting CVE-2022-27925 chained with CVE-2022-37042 Against Zimbra Collaboration Suite
An authentication bypass Zimbra security vulnerability is actively exploited to compromise Zimbra Collaboration Suite (ZCS) email servers worldwide.According to threat intelligence firm Volexity, attackers have been abusing a ZCS remote code execution flaw tracked as CVE-2022-27925 requiring authentication with the help of an auth bypass bug (tracked as CVE-2022-37042). Description: CVE-2022-27925: Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP...
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by CIRT Team
Linux Kernel eBPF local privilege escalation (CVE-2022-23222) vulnerability
Description:kernel/bpf/verifier.c in the Linux kernel through 5.15.14 allows local users to gain privileges because of the availability of pointer arithmetic via certain *_OR_NULL pointer types. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. Impact: A local attacker may exploit this issue to gain elevated root privileges on the affected system. Mitigation: Updates...
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by CIRT Team
Follina / CVE-2022-30190: New Microsoft Office zero-day
Security researchers have discovered a new Microsoft Office zero-day vulnerability that is being used in attacks to execute maliciously PowerShell commands via Microsoft Diagnostic Tool (MSDT) simply by opening a Word document. Workarounds: In Microsoft Defender’s Attack Surface Reduction (ASR) activating the rule “Block all Office applications from creating child processes” in Block mode will prevent this from being exploited.[https://docs.microsoft.com/en-us/microsoft-365/security/defender-endpoint/attack-surface-reduction-rules-reference?view=o365-worldwide#block-all-office-applications-from-creating-child-processes] Disable the MSDT URL Protocol....
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