Microsoft Patch Tuesday March 2020: a new record was set, SMBv3 “Wormable” RCE and updates for February goldies

SMBv3 "Wormable" RCE Without a doubt, the hottest Microsoft vulnerability in March 2020 is the "Wormable" Remote Code Execution in SMB v3 CVE-2020-0796. The most commonly used names for this vulnerability are EternalDarkness, SMBGhost and CoronaBlue. There was a strange story of how it was...

Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Microsoft

PoC exploit for CVE-2020-0796 - SMBv3 RCE. The target product/service is Windows SMBv3. The vulnerability class/vector is Remote Code Execution RCE. The probable entry point is the scanner.py script, which sends a specially crafted SMB packet to the target server to check for vulnerability. Notab...

EulerOS Virtualization 3.0.2.2 : samba (EulerOS-SA-2020-1270)

According to the versions of the samba packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw was found in samba 4.0.0 before samba 4.9.15 and samba 4.10.x before 4.10.10. An attacker can crash AD DC LDAP server via...

Unspecified Vulnerability in Aquaforest TIFF Server

Aquaforest TIFF Server is a TIFF Tagged Image File Format server from Aquaforest UK. A security vulnerability exists in Aquaforest TIFF Server version 4.0. An attacker can exploit the vulnerability to capture SMB hashes...

CVE-2020-9324

Aquaforest TIFF Server 4.0 allows Unauthenticated SMB Hash Capture via UNC...

Design/Logic Flaw

Aquaforest TIFF Server 4.0 allows Unauthenticated SMB Hash Capture via UNC...

CVE-2020-9324

Aquaforest TIFF Server 4.0 allows Unauthenticated SMB Hash Capture via UNC...

CVE-2020-9324

CVE-2020-9324 affects Aquaforest TIFF Server 4.0 and is described in connected sources as allowing an Unauthenticated SMB hash capture via UNC path . The vulnerability is triggered over the network (attack vector: NETWORK) with low attack complexity and no authentication required, leading to a co...

How To Protect Your Systems Against Critical SMB Vulnerabilities (CVE-2020-0796)

Discover how to protect your systems against SMB vulnerabilities and the latest critical Microsoft vulnerabilities released...

Threat Analysis: CVE-2020-0796 – EternalDarkness (ghostSMB)

On March 10, 2020 analysis of a SMB vulnerability was inadvertently shared, under the assumption that Microsoft was releasing a patch for that vulnerability CVE-2020-0796. As of March 12, Microsoft has since released a patch for CVE-2020-0796, which is a vulnerability specifically affecting SMB3...

Data corruption due to unreliable SMB (CIFS) shares

Challenge Storages that use the SMB CIFS protocol without the continuous availability and write-through features can cause data corruption in case of technical outages. This can lead to restore or backup problems. Cause If shares operate without the continuous availability feature in the...

FreeBSD : zeek -- potential denial of service issues (4ae135f7-85cd-4c32-ad94-358271b31f7f)

Jon Siwek of Corelight reports : This release addresses the following security issues : - Potential Denial of Service due to memory leak in DNS TSIG message parsing. - Potential Denial of Service due to memory leak or assertion when compiling with assertions enabled when receiving a second SSH KE...

BSA-2020-936

Security Advisory ID : BSA-2020-936 Component : SMBv3 Revision : 1.0: Final Microsoft SMBv3 contains a vulnerability in the handling of compression, which may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system. Description Microsoft Server Message Block 3.1....

Microsoft Windows 10 (1903/1909) - SMBGhost SMB3.1.1 SMB2_COMPRESSION_CAPABILITIES Buffer Overflow

Microsoft Windows 10 1903/1909 - 'SMBGhost' SMB3.1.1 'SMB2COMPRESSIONCAPABILITIES' Buffer Overflow PoC CVE-2020-0796 PoC aka CoronaBlue aka SMBGhost Download https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/48216.zip Usage ./CVE-2020-0796.py servername This scrip...

Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Microsoft

SMBGhost Advanced scanner for CVE-2020-0796 - SMBv3 RCE using...

Odd security letter issued to Microsoft a high-risk vulnerability warning Win10 as the main effect of the target-vulnerability warning-the black bar safety net

Recently, Qi'an letter of Threat Intelligence Center released Microsoft WindowsSMBv3 service remote code execution vulnerability announcements. Notice that 3 on 11 May, the foreign company released a recent Microsoft security patch design vulnerability summary, which includes a threat level is...

Microsoft Windows 10 (1903/1909) - 'SMBGhost' SMB3.1.1 'SMB2_COMPRESSION_CAPABILITIES' Buffer Overflow (PoC)

CVE-2020-0796 PoC aka CoronaBlue aka SMBGhost Download https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/48216.zip Usage ./CVE-2020-0796.py servername This script connects to the target host, and compresses the authentication request with a bad offset field set in t...

EulerOS Virtualization for ARM 64 3.0.2.0 : samba (EulerOS-SA-2020-1231)

According to the versions of the samba packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - A flaw was found in samba 4.0.0 before samba 4.9.15 and samba 4.10.x before 4.10.10. An attacker can crash AD DC LDAP...

Critical Patch Released for 'Wormable' SMBv3 Vulnerability — Install It ASAP!

Microsoft today finally released an emergency software update to patch the recently disclosed very dangerous vulnerability in SMBv3 protocol that could let attackers launch wormable malware, which can propagate itself from one vulnerable computer to another automatically. The vulnerability, track...

Microsoft Patch Tuesday — March 2020: Vulnerability disclosures and Snort coverage

By Jon Munshaw and Vitor Ventura. Update March 12, 2020: Microsoft released an out-of-band patch for CVE-2020-0796, a code execution vulnerability SMB client and server for Windows. An unauthenticated attacker could exploit this vulnerability to execute remote code. Snort rules 53425 - 53428...