TippingPoint Threat Intelligence and Zero-Day Coverage – Week of August 7, 2017

Earlier this month, a blog post from Blue Frost Security was released stating that they were giving away tickets to the upcoming Ekoparty Security Conference in Argentina. But there was a catch: in order to get the tickets and free whiskey, entrants had to complete an exploitation challenge and...

Updated freerdp packages fix security vulnerabilities

An exploitable code execution vulnerability exists in the authentication functionality of FreeRDP 2.0.0-beta1+android11. A specially crafted server response can cause an out-of-bounds write resulting in an exploitable condition. An attacker can compromise the server or use a man in the middle...

FreeRDP Denial of Service Vulnerability (CNVD-2017-25710)

FreeRDP is a free, open source implementation of the Remote Desktop Protocol RDP developed by the FreeRDP team. A denial of service vulnerability exists in the challenge packet handling process in FreeRDP version 2.0.0-beta1+android11. An attacker can exploit this vulnerability to cause a denial ...

FreeRDP Denial of Service Vulnerability

FreeRDP is a free, open source implementation of the Remote Desktop Protocol RDP developed by the FreeRDP team. A denial of service vulnerability exists in the challenge packet handling process in FreeRDP version 2.0.0-beta1+android11. An attacker can exploit this vulnerability to cause a denial ...

PT-2017-15572

Name of the Vulnerable Software and Affected Versions FreeRDP versions 2.0.0-beta1+android11 Description An exploitable denial of service issue exists within the handling of challenge packets. A specially crafted challenge packet can cause program termination, leading to a denial of service...

CVE-2017-2838

An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the...

CVE-2017-2839

An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the...

UBUNTU-CVE-2017-2839

An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the...

UBUNTU-CVE-2017-2838

An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the...

PT-2017-15571

Name of the Vulnerable Software and Affected Versions FreeRDP versions 2.0.0-beta1+android11 Description An exploitable denial of service issue exists within the handling of security data. A specially crafted challenge packet can cause program termination, leading to a denial of service condition...

UBUNTU-CVE-2017-2836

An exploitable denial of service vulnerability exists within the reading of proprietary server certificates in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or u...

CVE-2017-2837

An exploitable denial of service vulnerability exists within the handling of security data in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the...

PT-2017-15570

Name of the Vulnerable Software and Affected Versions FreeRDP versions 2.0.0-beta1+android11 Description A denial of service issue exists due to the improper handling of proprietary server certificates. An attacker can send a specially crafted challenge packet, causing the program to terminate an...

CVE-2017-2836

An exploitable denial of service vulnerability exists within the reading of proprietary server certificates in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or u...

CVE-2017-2839

An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the...

CVE-2017-2838

An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the...

FreeRDP Rdp Client License Read Product Info Denial of Service Vulnerability

Summary An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use ma...

FreeRDP Rdp Client License Read Challenge Packet Denial of Service Vulnerability

Summary An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use ma...

Legal Robot: Missing Issuer parameter on TOTP 2FA

During our 2FA challenge, a security researcher discovered that the Issuer parameter was not set in the TOTP URL that gets turned into a QR Code. While there is no direct security impact, it does make 2FA software tokens more difficult to manage...

Authentication flaw

Android 6.0 has an authentication bypass for attackers with root and physical access. Cryptographic authentication tokens AuthTokens used by the Trusted Execution Environment TEE are protected by a weak challenge. This allows adversaries to replay previously captured responses and use the TEE...