Randombit Botan CVE-2017-2801 Certificate Validation Security Bypass Vulnerability

Bugtraq ID:	98106
Class:	Boundary Condition Error
CVE:	CVE-2017-2801
Remote:	Yes
Local:	No
Published:	Apr 28 2017 12:00AM
Updated:	Aug 14 2017 10:10AM
Credit:	Aleksandar Nikolic of Cisco Talos
Vulnerable:	Randombit Botan 2.0.1 Debian Linux 6.0 sparc Debian Linux 6.0 s/390 Debian Linux 6.0 powerpc Debian Linux 6.0 mips Debian Linux 6.0 ia-64 Debian Linux 6.0 ia-32 Debian Linux 6.0 arm Debian Linux 6.0 amd64
Not Vulnerable:	Randombit Botan 2.1.0

Randombit Botan CVE-2017-2801 Certificate Validation Security Bypass Vulnerability

Randombit Botan is prone to a security-bypass vulnerability.

Successfully exploiting this issue allows attackers to perform man-in-the-middle attacks or impersonate trusted servers, which will aid in further attacks.

Randombit Botan version 2.0.1 is vulnerable; other versions may also be affected.

Randombit Botan CVE-2017-2801 Certificate Validation Security Bypass Vulnerability

The researcher has created a proof-of-concept to demonstrate the issue. Please see the references for more information.

Randombit Botan CVE-2017-2801 Certificate Validation Security Bypass Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

Randombit Botan CVE-2017-2801 Certificate Validation Security Bypass Vulnerability

References:

• RANDOMBIT BOTAN LIBRARY X509 CERTIFICATE VALIDATION BYPASS VULNERABILITY (talosintelligence)
  
• Vendor Homepage (randombit)
  
• Vulnerability Spotlight: Randombit Botan Library X509 Certificate Validation Byp (talosintelligence)